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www.us-
tech.com
March, 2019
Protecting Sensitive Electronics When Failure is Not an Option
By Mike Rager, Owner, Para-Coat Technologies, Inc. T
o meet the need for local conformal coating services in Johnstown, Pennsylvania, Mike and Krista Rager started Para-Coat Tech-
nologies (PCT), Inc., in a small garage. Since 2010, the company has grown to occupy a 30,000 ft2 (2,790m2), ESD-protected facility in downtown Johnstown, employ 26 people and has plans to add another 15 employees this year. When the couple started the company in
2010, they recognized how important it was to ob- tain ISO certification and made that goal top pri- ority. PCT believes in constant improvement to its quality system. Its goal is to provide the customer with an on-time, quality product, while offering ex- cellent customer service. The company strives to be a seamless extension to its manufacturing cus- tomers and obtaining ISO/ITAR certification was the first step. Para-Coat Technologies is a global conformal
coating supplier to the aerospace, medical, mili- tary, and automotive industries. PCT offers acrylic, urethane, silicone, and parylene conformal coatings along with parylene machine/dimer sales and consulting services. The company has vertical, horizontal and tumble coating machines in place.
Para-Coat Technologies strives to be a seamless extension to its manufacturing customers and
obtaining ISO/ITAR certification was the first step.
PCT also offers potting and encapsulation and re- moval or stripping of conformal coating. Conformal coatings are generally applied as a
Parylene Coating Para-Coat Technologies specializes in Pary-
lene coatings. Parylene is a common generic name for a unique series of polymers based on paraxy- lene. Parylenes are formed by the pyrolysis of a di- p-xylene (dimer) in a vacuum chamber and is ap- plied as a gas that disperses evenly throughout the chamber to target surfaces and forms as a clear polymer (plastic) film. PCT offers two types of Parylene — N and C. Some common application ex- amples include implants, pacemakers, catheters, microcircuits, sensors, circuit boards, hearing aids, elastomeric keypads, silicone, rubber parts, O- rings, needles, and various consumer electronics. As medical devices become smaller and more
Para-Coat Technologies’ general manager David Pribish (left) and production supervisor Travis Miller (right).
liquid by spraying, dipping or brushing. However, Parylene materials are applied within specialized vacuum chambers and the material forms linear, highly-crystalline polymers that can be usefully produced as coatings and films. The resulting film is thin and conformal, has no pinholes, and can completely encapsulate a substrate to protect it from many environmental conditions, such as moisture, chemicals, fungus, dirt, and dust.
compact, the use of parylene coatings is increas- ingly valuable, due to its molecular-level deposi- tion. Thin-film, pinhole-free parylene conformal coatings provide the ultimate protection for life- saving devices and instruments in the medical in- dustry. Inert, vacuum-deposited parylene is bio- compatible and biostable and offers excellent dry film lubricity, thermal stability, moisture, chemi- cal, and dielectric barrier protection. PCT Pary- lene is FDA-approved and certified with a USP Class-VI biocompatibility rating that allows safe use within the body. Parylene’s ultra-thin, optically clear and flexi-
ble characteristics have been shown to enhance the performance of rubber and elastomer components by protecting surfaces and modifying surface proper- ties. Objects coated with this polymer film include a diverse range of rubber components, ranging from gaskets and seals to rubber keypads and medical catheters. Due to its unique molecular structure, the parylene film barrier is practically insoluble in all
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MODEL 922 CSP TEST HANDLER with ROBOTIC ALIGNMENT
• Linear motor-driven gantry. Precise handling of devices as small as 0.8mm x 0.8mm
• 360 degree theta pickup head travels on X,Y, and Z axes
• Top inspection conducts gross alignment to ensure precise pickup. Bottom inspection identifies X, Y, angle of device and pickup head adjusts as needed to precise placement
• Tape input and output • Precision laser mark of devices 0.8mm x 0.8mm
www.exatron.com 1-800-EXA-TRON • 1-408-629-7600
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