3 Best Ways to Choose the Best Photo Etching Service

To get the best photo etching service, you need to know what it is and how it works. To just quickly summarize: Photo etching is a very tightly controlled and precise corrosion process that is used to process metal components, even the most complex ones, with extremely fine detail. The photo etching is also known as metal etching or chemical etching. Photo etching services are gaining popularity fast because it is a cost effective process used commonly as an alternative to water jet and laser cutting, punching and stamping. There are few factors that make a photo etching service the best one. Let us find out.

Reputation of producing complex designs

One of the primary advantages of photo etching is that it can produce complex designs. However, when you compare various services with their best designs, you will know the expertise and the ability to produce complex and beautiful designs, which comes with skills. It’s always a smart idea to go for chemically etched parts because they are usually free of mechanical stress and burrs and are generally free of contaminants and pristinely clean. A good photo etching service will make sure that the raw materials are cleaned thoroughly before imaging – After stripping, after etching and before as well as after every metal finishing process. A good service will take care of all these requisites and these help in producing complex designs.

Fast, flexible, and time-efficient

Right from the initial tooling process to delivering the finished parts – the entire cycle of photo etching should be completed in 10 days. However, a good photo etching service will complete it before or in a week. Considering a general backlog, the expected lead times for the new parts are ideally three to four weeks. In most cases, the repeat orders are processed pretty quickly, especially when the raw materials are available in stock and the prototype orders are done in 2 weeks. A good photo etching service will take minimal extra time in accommodating secondary operations like forming, heat-treating, plating, assembly, addition of the surface components, or the silk screening.

Material Properties Unaltered

A good Photo etching process will impart no thermal or mechanical stresses on the metal substrates. At the same time, while punching, stamping, and deformation of die-cutting impart shearing as well as water-jet and laser may leave behind ablative deformation, the process of a good photo etching can dissolve the unneeded metal, which will leave a burr-free and flat part. When you see that the material properties are not being altered, you can safely consider the photo etching service as a good one!


Choosing the best photo etching service for you won’t be too difficult if you understand what it is and if it satisfies the three mentioned factors. These factors will help you in identifying and differentiating phot etching services. Further, these will also help you in having a better understanding of the entire process. An expert etching service can etch, chemically, various kinds of metal, which will also include specialty materials such as soft magnetic alloys, molybdenum, metal-clad ceramics, and many more.

Different Types of Respiratory Rate Monitors

Over the years in the field of medical science, researchers have found out that Respiratory Rate is the most vital and yet most neglected sign. It is measured inaccurately and often overlooked while assessing a person’s health. Respiratory rate should be accurately measured and clearly documented. With advancing technology, many companies have come up with respiratory rate monitors and other vital sign monitoring systems. In this article, we will tell you about Equivital- one of the most trusted brands in this field.

About Equivital:

Equivital develops products that focus on encouraging and instilling the importance of good health among people. The products designed by Equivital are professional, easily wearable and high tech. Due to these factors, the products are very precise and accurate. Equivital offers a range of products- Training and Research (TnR), Black Ghost and Orann.

Training and Research (TnR)

The TnR range includes a wide range of accessories. Some of them are Core Temperature Capsules, Dermal patches, Bluetooth blood pressure cuffs and oxygen saturation monitors.

Black Ghost

Black Ghost provides real-time situational awareness during a military training. It uses data sent from the body worn sensors to provide live information for critical decision making. The information provided by it includes geo-location, geo-fencing and safety alerts and alarms from soldiers within the training environment.


Orann systems capture, collate and report from various datasets that include continuous physiological activities, respiratory endpoints, sleep and activity, glucose monitoring, etcetera. These systems provide safety along with effectiveness throughout the research and development processes.

EQ02 LifeMonitor

The EQ02 LifeMonitor is the flagship product of Equivital. It is a body worn sensor that helps in sensing, recording, monitoring and intelligently processing the data captured from the user and transmits this data over a wireless/wired interface. This data can be viewed in real time in any eqView software suite application. This application is compatible with android and RIM operating systems.

LifeMonitor is a multi-parameter device that monitors the ECG and Heart Rate, Respiratory Rate, Skin temperature and Body temperature simultaneously. It also has special features like motion status, fall alert and accelerometer.

What makes LifeMonitor unique from other Respiratory Rate Monitors in the market are some of its salient features:

The data collected from the external sensory channels are of high quality and there are negligible chances of data lossThe monitor is developed for a long wear comfort and is extremely light weightHas a battery life of up to 48 hoursHas a memory of 8GB that supports up to 7 weeks of data logging

LifeMonitor is used in professional military organisations, human performance training and research and safety critical applications. These devices are customizable for integration with command and control systems. The easy setup enables the users to get started without much effort and the data precision boosts their confidence.

Equivital has a global user base and its partner network is growing rapidly. The products are designed to have a positive impact on the lives of so many people across the globe. The products are available directly on their website and can also be purchased from the network of distributors across 20 countries.

We hope that this article gave you an insight into the functioning and uses of respiratory rate monitor.

Metal etching- An ideal choice to create intrinsic jewelry designs


Also referred to as chemical etching, photo etching, metal etching is a technique to create fine lines, grooves, and impressive designs on metal sheets and parts. It is used on an extensive scale for a wide assortment of industrial and decorative applications.

In this process, chemicals are used for creating patterns and designs into the metal surface. It is considered to be an ideal choice to create your jewelry. This technique is useful in creating musical instrument decoration, jewelry design, and trophy decoration, firearm engraving, plaque, and furniture, architectural and engraving embellishments.

Selecting the right etchant

The etching is considered to be the mixture of chemicals that is beneficial for cutting into different unprotected parts of the metal, thereby creating the finished etched design. You should ensure to match the metal with the right etchant as the same metal will be reacting to various chemicals and vice versa.

For instance, it is possible to etch the silver, nickel, brass, copper and other metal etching jewelry with ferric chloride. On the other hand, the .925 sterling silver and .999 fine silver can be etched with the aid of nitric acid and ferric nitrate solution.

How metal etching works

In photo etching, metal is known to be laminated with the photo resist which is a light-sensitive polymer. It is printed Ultra-violet light which helps in transferring the CAD photo of the specific part.

The different unexposed areas of the photo resist are developed and removed. After this, an etchant is sprayed on the specific unexposed area such as ferric chloride for the removal of the unprotected metal.

The rest of the photo resist mask is stripped or removed for getting the final etched part.The metal etching technique does not make use of any kind of force or heat, which indicates that the properties of the materials remain unaltered.

The metal etching technique is a faster process and involves a reduced cut off from the pocket. There are several benefits to opt for this process to create metal etching jewelry:

Low-cost repeatability along with complicated designs

Photochemical etching involves low-cost repeatability along with different complex designs. It is a quicker and affordable option, in comparison to laser, stamping. It primarily involves different complicated designs. With this process, parts with slots, holes or any other type of intricate features are created without any kind of additional charge.

An ideal choice to simplify the complexities

One of the top reasons to choose this process for creating metal etching jewelry is that it allows you to create the most intricate designs on the metal parts, without any effect on the tooling and production technique. It is possible to produce complicated designs via this process which is hard to be achieved with stamping or laser cutting.

No deburring is required

With metal etching, you can create burr-free components. Hence, you do not need to waste your valuable time to deburr the materials.

Photo etching offers a plethora of benefits owing to which a wide assortment of people prefers to choose this technique for creating metal etching jewelry. As this process is universal, it is considered to be an ideal choice for creating intrinsic designs on countless metal alloys and materials.

Also, metal etching does not include any sort of deformation, internal stress or waste materials. It does not need any kind of hard tooling. Metal manufacturers opt for this process for creating easy and simple design changes.

ETCH brass


Antique brass is a beautiful material that often remains unrestored because it gives old objects a deep and rich color and tone. Antifreeze occurs when oxygen reacts with moisture and other elements in the air to stain the metal surface. While some prefer the look of polished metal, patina and wear of the old brass is really more valuable when intact, since polishing literally removes the layers of the original metal, which can damage and weaken it. If you have antiques, it is important to know how to keep the old brass and keep it in the best possible conditions.

Under optimal conditions, brass begins a patina a few years after its completion and ages hundreds of years until brass becomes obsolete. The optimal conditions for proper brass aging are mild temperatures and moderate air humidity in coastal areas. Salt and moisture in coastal cities can break down brass so quickly that it can disintegrate in a few years. This is one of the reasons why ancient brass objects found in ancient cities near coastal areas are as fragile as dust balls, while brass, which has aged properly in the drier regions, It maintains its structural integrity and yet maintains the beautiful and rich brown. and it receives red color that so many antique collectors love and appreciate.

Old brass care

Improper cleaning and care of old brass can destroy it, especially if you want to preserve the natural beauty of this material. There are many chemical agents on the market that are specifically designed to keep the old brass in good condition, but are not up to the challenge. Maintaining old brass is a simple and delicate process that does not require aggressive chemical additives or treatments.

To clean old brass, you should only use warm soapy water and a microfiber cloth to remove dust and grease from the surface. Elbow grease is not necessary, since even the slightest friction between the rag fibers and brass can scrape the surface patina, which can cause oxygenation in the deeper layers of the brass. As soon as opaque colors can penetrate deeper into the brass, antiquity can crumble. Do not use normal cloths, brushes or paper towels, as they are too abrasive to gently remove dirt from the surface.

Preserve old brass

To preserve the patina and keep your old brass objects, you can gently treat your brass with olive oil or linseed oil with a microfiber cloth. Brass seals sold in hardware stores are excellent for new brass. However, if you work with brass that is more than a few decades old, you should be as careful as possible, otherwise you run the risk of destroying the old brass surface. Olive oil penetrates microscopic pores in the brass and prevents oxygen and moisture from entering the inner layers of the material. Flaxseed oil works the same way, but it is a bit more aggressive and expensive and is often used to treat steel tools. Olive oil has been used for thousands of years, at least since ancient Rome, to protect brass from wear.

When applying olive oil to your antiques, gently rub small amounts of oil in a circular motion until the brass is covered and slightly shiny. Allow your brass to cure for at least 10 minutes before removing excess oil with a dry microfiber cloth. Although the shine of the extra oil will make your old brass shine with direct light, dirt and dirt will adhere to the slow-drying oil and eventually cause damage.

Restoration of old brass

If you really need to remove the patina from your antiques, make sure your brass is in good condition before trying to remove the stain. Remember that when polishing brass, layers of material are rubbed. If you treat brass with chemicals, burn layers of material.

Check your items for cracks, scales or blackheads to make sure your old brass is in sufficient condition to polish or restore it. If one of these defects is present, there is a risk that your antiques will be irreparably damaged if you try to restore them. If your bronze is brown with some scratches or surface defects, you should be able to do so.

Why digital weather station is very helpful to you


The digital weather station is ideal for home or office with professional devices connected to a computer and related software. This professional digital weather station is easy to install and can move the console without having to dig a new hole and run the cable. A digital weather station is handy and is most suitable for all meteorological instruments.

Many of these devices come with built-in alarms to set you up for specific weather conditions. Depending on the chosen model, temperature, humidity, atmospheric pressure, and other types of weather information, such as wind measurement, can be controlled in the comfort of your home. Of course, if you have a built-in (wind sensor) anemometer, then you should be away from any obstacles to the prevailing winds. A roof is usually the right place.

Digital radio waves use the station to transmit weather measurements from remote sensors to an internal display unit. This controller can not only tell you the weather outside but simply by clicking a button; you will find out the internal conditions! Some devices may come with several keyboards so that you can place them at different points in the house or the garden. Weather stations are not only used indoors. Fishers and sailors also use these weather devices when they are at sea to help if they decide to go to sea or head to the country, given the exact weather conditions expected in their place. Farmers also rely on their weather stations to provide forecasts, as their livelihoods depend on updated weather information available 24/7.

Digital weather is more stable than older cable devices, but it’s often worth spending extra money to increase comfort. Before you buy a weather station, you should consider a few issues related to the digital technology of digital weather stations: manufacturers usually define the classification of the transmission band “open-air”, which means a straight line — unobstructed vision (walls, etc.). (To get a more realistic estimate of the required distances between the components in the installation, we recommend that you look at the weather station configuration information for the selected device.) RFI may be another minor issue. This is usually not a big problem, as millions of digital weather stations are no problem. Finally, the height at which the digital wireless weather station will be installed can also be a problem in terms of the accuracy of atmospheric pressure measurements. Many stations have a transmission range of up to 330 meters, which overcomes most of the issues affecting wireless home stations.

This also applies to many people, if the temperature is your only advantage, a wireless thermometer can be all you need at a much lower price than a full-fledged weather station. Many of these weather stations also have radio clocks that are accurate to the second and are automatically updated daily. Your widget will allow you to quickly find out the internal and external temperature, humidity, wind direction, and rain, without going outside. This can be especially useful when monitoring the environment for plants, and nurseries. A digital weather station is a helpful addition for any family, farm, and / or business.

Facts About Lasers

Do you want to know some interesting facts about lasers? If yes, then you have come to the right place. Lasers are very important in many fields, and also lasers are very useful and laser tools are also getting popular day by day. Lasers are amazing and provide a lot of benefits but there are also some cool and interesting facts that a lot of people don’t know about lasers. So in this article, you will get a list of interesting facts about that might surprise you. So without wasting any moment, let’s jump into the facts.

1- Einstein Was Also Involved In Its Discovery

Everyone knows that Einstein is one of the greatest scientists of all time. He was a genius and he gave a lot of great theories and inventions to the world but do you know that Einstein was also involved in laser discovery. Stimulated emission is one of his theories and if it didn’t exist, then there would be lasers in the world. There are many other great theories and technologies in which he contributed. GPS and lasers are some examples.

2- They Are Grouped Into Different Classes

One of the most interesting facts about is that lasers are grouped into different classes and most of the people don’t know this. If you talk about the weakest lasers, then eye-safe are the weakest lasers and they are classified as level 1 lasers. Speaking of level, class 4 are the most powerful lasers and they are so powerful that they can even start a fire.

3- MASER Was The First Laser

Laser stands for light amplification by the stimulated emission radiation and most of the people know this, but what most people don’t know is that maser was actually the first laser. Maser stands for microwave amplification by the stimulated emission radiation. The main difference between maser and laser is that in maser, the microwave radiation is visible instead of the light that is given off. In 1964, its inventors won the Nobel Prize. Another interesting fact is that lasers were first used commercially in supermarkets barcode scanners in 1974.

4- Lasers Are Very Powerful

Generally, a lot of people may know that lasers are very powerful and there is nothing new in this but did you know that the strongest laser of the world has the power of a hydrogen bomb. In 1996, in a Californian lab, it was recorded that the strongest and powerful lasers were at 1.25 petawatts. The hardest natural substance is diamond and a laser can etch a number on it.


These were some of the facts that most of the people don’t know about lasers. There are also many more facts about lasers but these are some of the most fascinating and interesting. Though lasers are very popular and used for many purposes but a lot of people don’t know much about them. Hope this article will give you some useful information and you will get to know more about lasers.

Vital signs monitoring

Every healthcare professional should know the eight vital signs of patient monitoring. Understanding vital signs may mean the difference between life and death for some of your patients. Thankfully, modern monitors have made it easier than ever to get accurate and reliable data for your patient’s vital signs. Further information on how to find the vital signs monitor suitable for your needs can be found here. Even with the help of medical devices, you should make sure that you are familiar with these eight vital signs for patient monitoring:
1st temperature
The body is designed to keep its temperature stable, but certain situations can lead to high or low temperatures. Factors that influence the temperature are:
2nd blood pressure
Blood pressure is regulated by the bone marrow and can lead to significant health problems if it is too high or too low. In some cases blood pressure can be measured more accurately with a sphygmomanometer than with a vital signs monitor. Factors that influence blood pressure are:
vascular tone
Intravascular volume
3rd pulse
The strength and speed of a patient’s pulse can provide relevant information about their current state of health. The pulse of a patient reflects his contraction force and circulatory volume and can be measured with a vital signs monitor. It is important to evaluate the equality, strength and regularity of a patient’s pulse and to count the heartbeat for at least 30 seconds to determine the heart rate.
4. Respiratory rate
A patient’s respiratory rate can be measured to establish a baseline, evaluate responses to a particular treatment, evaluate a change in oxygen delivery, and determine if the patient is suffering from a critical illness. Factors that can affect the respiratory rate are:
5. Urine output
The urine output of a patient can give important information on the condition of his kidneys. Influencing factors are:
renal perfusion
Cardiac Output
6. pain
The pain level of a patient is a good indicator of the severity of his medical condition. The pain is first recognized by nerve fibers and interpreted by the cerebral cortex and the thalamus in the brain. Pain can be influenced by the patient’s perception and is often underestimated in medical settings.
7. SpO2
SpO2 reflects the peripheral saturation of hemoglobin by O2. It does not reflect the general respiratory function and can be influenced by:
hemoglobin levels
Cardiac Output
O2 faction inspired
8th level of consciousness
The consciousness of a patient is controlled by his reticular activation system, which is located in the brain stem. It may be affected by intra- and extracranial factors, including cerebral perfusion.
All health professionals should ensure that they are fully familiar with the assessment methods for each of these eight vital signs. A reliable vital signs monitor can alleviate the stress and anxiety associated with analyzing vital signs data, making it much easier and faster to determine a patient’s health status than trying to monitor the symptoms. vital without the help of medical devices. To facilitate your work, make sure that your office is equipped with a sufficient number of vital signs monitors.

Know the advantages of chemical etching process

Etching is an important industrial process that involves removing of the material from its surface so that it can be used for different purposes. There are two kinds of etching process that includes dry etching also known as plasma etching and wet etching where the etchants or liquid chemicals are removed from the material. Therefore it is important to know everything about the chemical etching process so that you can use different chemicals for removing the materials in the most effective manner. chemical etching is known as the most popular and highly accurate manufacturing process that are used for producing high precision metal parts so that it can further be used for different industrial applications.
This process makes use of baths of temperature regulated etching chemicals for removing the material selectively. It is the best way of producing high precision metal parts that can be made in any kind of shapes and sizes according to the requirements of the process.
There are a large number of advantages of chemical etching process and the most important advantage is that it helps in producing prototypes rapidly so that you will get the desired outcome within a short span of time. Moreover it will help you in manufacturing the parts quickly so that you can sell it to the market and earn a good return on your investment. This is one of the most important industrial processes that helps in making custom parts in a quick manner as you can determine the shape and size of the parts that you want for your needs.
Chemical etching is also known as chemical milling, metal etching or photo etching that helps in the customization of the different industrial parts according to the needs of the industrial process. This is a subtractive metal machining process that is known to produce highly accurate and complex metal components. This process is very important for manufacturing tight and dense tolerance parts so that it can be fitted completely into the machinery parts. You can decide on the width, length and breadth of the parts that you want to manufacture with this process so that you will get the best parts that will meet your requirements. There are different materials that can be used for the chemical etching process so that you will get the best results and for this you will need to use corrosive chemicals so that you can etched the specific parts of the metals. Each of the step for this process requires precise control as it is very important for producing high quality product. It allows you to use any metal sheet so that you can use the chemicals on the metal and get the surface etched according to
your requirements. You will also need to make use of a photo resist sheep that will be used for covering the surface to be etched so that it will then be exposed to UV rays for getting the surface etched. After completing the process, you will need to clean the surface so that extra material can be removed and you will get a clear and clean surface.

Continuous body temperature monitoring devices

Cоntіnuоuѕ bоdу tеmреrаturе mеаѕurеmеnt (CBTM) іѕ оf grеаt ѕіgnіfісаnсе for humаn health ѕtаtе monitoring. To аvоіd іntеrfеrіng wіth uѕеrѕ’ dаіlу асtіvіtіеѕ, CBTM іѕ usually асhіеvеd using wearable nоnіnvаѕіvе thermometers. Currеnt wеаrаblе nоnіnvаѕіvе thermometers еmрlоу ѕtеаdу-ѕtаtе models uѕеd in nоnwеаrаblе thermometers; аѕ a result, the rеасtіоn tіmе іѕ long and thе measurement can bе disturbed by uѕеrѕ’ activities. Hоwеvеr, thеrе is nо wоrk tо ѕоlvе thеѕе іѕѕuеѕ.
Bоdу tеmреrаturе іѕ аn important ѕіgn оf hеаlth аnd dіѕеаѕе. Thе core bоdу temperature оf vіtаl оrgаnѕ is kерt іn a сеrtаіn rаngе bу the autonomous rеgulаtіоn mесhаnіѕmѕ оf humаn body, аnd a ѕіgnіfісаnt сhаngе оf thе bоdу tеmреrаturе uѕuаllу means thе оссurrеnсе оf diseases. Bоdу temperature mеаѕurеmеnt mау bе thе mоѕt соmmоn method оf mеdісаl dіаgnоѕіѕ; however, dеfіnіng thе nоrmаl body tеmреrаturе іѕ nоt еаѕу. Thеrе is no unіfоrm body tеmреrаturе thrоughоut thе bоdу, which vаrіеѕ with the temperature mоnіtоrіng sites. Thе hуроthаlаmuѕ іѕ with thе hіghеѕt bоdу tеmреrаturе; hоwеvеr, іt іѕ inaccessible, аnd the соrе bоdу tеmреrаturе іѕ uѕuаllу dеfіnеd аѕ the bоdу tеmреrаturе оf the pulmonary artery, which іѕ considered аѕ thе gоld ѕtаndаrd.

Destratification Fans for Homes

We all know that hot air rises and cool air sinks to the bottom, but have you ever stopped to think how this affects the cooling and heating in your home? In the winter when you need rooms to be really warm you pump more and more heat into them without realizing that all the hot air that you are pumping in is actually rising to the top of the room. In fact, you will find that floors in upper level rooms are warm because of all the warm air that is trapped in the ceilings below them.
This movement of air currents means that the warmer you want a room to be the higher you have to crank up your AC. Eventually this will drive your heating costs through the roof. One way to combat this problem is with the use of destratification fans. These are fans that are designed to move around the room ensuring that cold air and hot air are mixed to uniformly heat any space. They are quite common in industrial settings where ceilings are rather high, but they can also be used in homes that have large rooms or high ceilings.
There are different destratification fans available – there are some that are designed to run on a continuous basis ensuring that all hot air is uniformly dispersed and there are others that operate on a thermostat system – they will come on when a certain temperature system is reached.
Knowing which kind of destratification fan is ideal for your home may not b easy, so it is recommended that you get the advice of an expert. They will look at your current heating system and also the way the rooms are built before they make a recommendation. You can find out more on http://cambridgeenergycentre.co.uk/.