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Industrial and Manufacturing

Medical Device Coatings Are Advancing At a Rapid Pace

November 17, 2016 by · Leave a Comment 

Improved patient outcomes are being tied to advanced medical device coatings.

medical-worldWhen it comes to medical device coatings, today’s technological advancements have allowed for improvements in therapeutic treatment. The coating materials formulas that are available for use makes it possible to deliver a wide array of therapeutic drugs and agents to elicit a range of tissue and bodily responses. It has helped thousands of patients and specialists when it comes to effective and positive treatment distribution. It continues to be developed today and look for it to have an even more profound effect on today’s medical industry.

An Example of Coating Usage

A device that is prone to the development of an infection will benefit from a coating that delivers antimicrobial drugs to inhibit the growth of foreign cells. Another example is a coating that provides a surface onto which certain cells may attach and grow. The outcome of the therapeutic coating impacts the overall time over which the coating acts. Also the PVD coating equipment used will also have a profound effect on the coating type.

For instance, a sputter coater that has enhanced capabilities in regards to providing the coating with additional medical films, may allow for specialists to treat conditions that may not be treated with standard coatings. This gives healthcare professionals options and flexibility in regards to patient treatment. Time will only tell whether or not there will be an expansion into which more serious and concerning illnesses and life-threatening diseases can be addressed through the use of medical device coatings.

Denton Vacuum, LLC manufacturers the finest vacuum coating systems available today. For more information, visit them online today.

Critical Factors of Physical Vapor Deposition

February 27, 2016 by · Leave a Comment 

Written by: Denton Vacuum, LLC

Prior to the coating process, consider all of the factors that play into quality of the film.

Physical vapor deposition coating, or PVD coating, is one of the simplest and most commonly used methods for deposition. That being said, the process of PVD coating requires the user to focus on critical aspects that directly affect the quality of the deposited material.


The process of PVD coating occurs in a high vacuum environment with plasma being activated to reach extreme temperatures. The temperatures that the substrate is coated with reach a ballpark figure of 450 degrees to 1000 degrees.

Critical Factors

The most critical factor that the user needs to prioritize is the sterility of the surface. Any contaminant or dirty texture will result in a faulty thin film placed.

The sputter deposition system that is being used must be a god tool design and have cutting edge micro-geometry. It’s crucial that the parameters are optimized for minimized risks. Additionally there needs to be proper heat treatment – overheating will cause a drastic decrease in quality.

Be cautious that sharp edges are correctly honed or dulled. This will cause the thin film to tear and end up being a waste. A recommendation is to treat, as well as decontaminate, the surface to prevent any residue from forming.


Through proper care and treatment, there should be a nano-grained, hard, and lubricated coating that has a high quality surface area. In order to come out with the best solution, the proper type of metal must be analyzed prior to beginning the process – the PVD system must configure to the specific metal used. It’s too often that the wrong metal is used, allowing the heat treatment to ruin the film layer.

How Deposition Plays a Role in the Food Industry

October 30, 2015 by · Leave a Comment 

Written by: Denton Vacuum, LLC

Summary: Learn how the food industry utilizes the process of deposition.

In the food packaging industry, plasma-enhanced chemical vapor deposition (PECVD) and Physical Vapor Deposition (PVD) are both important applications that are widely used throughout the industry.

Two of the most important types of application in food packaging in regards to coating are silicone oxide and amorphous carbon solely based on their properties.

PECVD is a process where a thin film is produced on top of a particle. It utilizes plasma to allow for deposition at lower temperatures. The process consists of a substrate, the target, being layered with a film that starts out as a gas but through chemical reactions becomes a solid. The food industry has been using this type of technique for a long period of time which proves how efficient it has been – and still is today.

PVD is a physical method that also creates a thin film but does not involve chemical reactions. These types of thin films take on the appearance of foil, but are a lot stronger and thinner. In the food industry, these metallization processes were used for microwave-heating susceptibility purposes. This method continues to be utilized today and has become a basis for further enhancement and research to uncover more efficient techniques.

Another application still used in the food industry today is thin film evaporation which, hence the name evaporates the thin film coating from a liquid to a gas. Done through heat and mass exchangers, these types of evaporators give workers the ability to retain certain physical and chemical features needed when packing food.

Three Types of Advanced Manufacturing

February 10, 2015 by · Leave a Comment 

Written by: Denton Vacuum, LLC

Advanced manufacturing allows to create devices and parts that “borrow” the property of one substance and lend it to another. A good example of this borrowing is the screw, which can be made out of plastic and metalized with steel or iron to increase its durability.

The precise cooling of materials has led to several manufacturing breakthroughs. Here, we explore three major methods used in a variety of consumer and industrial-grade products.

Sputter Deposition

Sputtering is an important part of the natural sciences, although you might not believe it at first glance. A sputter coating of a conductive metal is often applied to a scientific specimen. This thin layer of highly conductive metal prevents the actual subject from receiving the charge that is common when a scanning electron microscope is used. Although this method is inferior to X-Ray, it’s useful to magnify up to 500,000 times.

Vacuum Deposition

Vacuum deposition systems help to evenly coat the surface of a substrate, and are used frequently in the enhancement of medical devices. A coating such as a lubricant can be applied evenly to a substrate like a catheter. The end result is a device that slips seamlessly into the patient. Anti-microbial coatings even keep patients safe from internal infections.

Magnetron Sputtering

A magnetron sputtering system is used when a coating of metals is needed. The magnets in the system push particles with the opposite charge around the chamber, which eventually settles them onto the substrate. The device is fitted with a rotating arm, which gives the substrate an even coating.


Bio: Denton Vacuum, LLC sells vacuum deposition systems used in a variety of industrial processes.

What are MEMs?

January 10, 2015 by · Leave a Comment 

Summary: MEMs are an exciting revolution in modern manufacturing.

When you turn your smartphone on its side, the technology inside that makes the screen flip to a panoramic view is what’s known as a microelectromechanical systems. MEMs are somewhat different from nanotechnology, technically larger in size, but function very much the same way. Once it become plausible to utilize advanced manufacturing techniques like plasma-enhanced chemical vapor deposition, MEMs became one step closer to becoming reality.

How MEMs are Made

MEMs are made using a number of techniques depending on what is needed. In bulk, they are bonded to glass plates using a process similar to etching. PECVD is used to etch micron-thin layers of materials onto the surface of the substrate. The process helps to cut down on unevenness in the layers, which can affect the application for the MEM system. If the layer is too thick, for example, it may inhibit MEMs from working as an accelerometer.

Using MEMS

MEMs already find a variety of uses in objects we use every day. Smartphones are the most obvious, but anything that uses accelerometer technology utilizes MEMs in some form or another. MEMs commonly appear as sensors, actuators, or structures. You also find MEMs used in inkjet printers, where they help disperse ink over the paper to make whatever design is being printed similar to the process used in a magnetron sputtering system. MEMs even find a home in the receiver of a cell phone, where they are used to make the microphone that you speak through.

MEMs are bringing nanotechnology into the realm of the everyday, and they are becoming cheaper to produce as time goes by.

How GPU works in Aircrafts

December 13, 2014 by · Leave a Comment 

Written by Start Pac

Generally, most starter motors and generators operate on turbine engines that work alongwith 30 volts without causing any damage. The highest amount of amperage draw is felt at the moment when the starter is activated. The amperage figure could climb up to 1000 amps on certain gas turbine start up engines.

As the startup continues, requirements in terms of amperage drop down throughout the activation cycle. A battery would need to be in good state by this time in order to minimize a voltage drop as a considerable load is applied during the start up. Usually as a load is applied to a battery, the voltage would tend to drop if the load is increased. In order to effectively start turbines, the voltage drop would need to be kept to a minimum.

Lower battery voltage levels will exude a lesser amount of amperage. Certain starter motors might even pull batteries down to 15 volts at the first phase during the activation of start up. Most engines manufacturers would recommend a volt of around 28.5 at start if this is available in order to limit any voltage drop to a minimum.

In order to achieve this, external ground power units (GPU) are used. In this particular case, it can be beneficial to the turbine engine as 20% of the energy is sent to the starter motor which makes the start more rapid and generates less heat. This increases the turbine life.

Start Pac is a company specializing in starting and ground power units. Some of their products offerings also include portable battery packs and aircraft maintenance equipment.