Technical Library

Study reviews the effects of a wide variety of organic solvents on Parylenes N, C and D.

This paper identifies and describes quality issues related to use of Parylene vacuum-deposited conformal coating in the protection of electronic components and assemblies.

As electronic devices become ever smaller, their performance in many different types of operating environments has led many device packaging companies into the world of conformal coatings. Adhesion of such coatings to the intended substrate surfaces is one of the most important features of a coating’s effectiveness.

Ingestible medical devices offer a convenient, non-invasive method of delivering therapeutics, enabling diagnostic procedures and performing imaging tasks. Ensuring that the sensitive electronics within the device are protected is a challenge. This article will highlight a technology that is being used to ensure such protection is provided.

Many of today’s cutting-edge medical technologies utilize advanced sensors to help healthcare specialists provide unprecedented levels of care. The increased use of electronic monitoring technologies necessitates the need to protect such sensors and other electronic components from anything that could compromise their performance. This article will highlight Parylene’s role in protecting advanced medical sensor technologies.

This article describes applications of Parylene coatings as protective barrier coatings in inhalable drug delivery devices, and the detailed characteristics of Parylene which make it particularly suited to these applications.

Diabetes care is most commonly accomplished by a finger-prick test multiple times a day and, when needed, insulin delivery is completed via a simple syringe. As new monitoring and delivery systems become available, they must continue to meet the standards of safety, effectiveness and reliability — lives often depend on it. To ensure this high reliability and safety for patients, the industry often relies upon conformal coatings to provide the protection that today’s advanced devices and components need.

The balloon catheter manufacturing process is critical for a number of advanced medical treatments. It involves inserting a precisely sized wire mandrel through the catheter and balloon for sealing. After sealing, the mandrel is carefully removed using a permanent release coating, typically Parylene or polytetrafluoroethylene (PTFE). With rising concerns about fluorinated polymers like PTFE, PFAS-free Parylene serves as a reliable alternative, offering essential release properties while enduring the temperatures used in the balloon attachment process.

Oil companies must focus on cost savings to be profitable. A number of electronics used for the exploration, drilling, processing, and delivery of oil and gas operate in some of the harshest environments ever seen.

With the implementation of RoHS directives, pure tin plating is replacing lead in the tin-alloy used in the printed circuit boards and other worldwide electronics. Although use of tin provides a safer environment for electronic manufacturers and helps meet the regulatory requirements, it is known to form tin whiskers, odd shape eruption and dendrites that cause printed circuit boards or devices to fail.

Designers and manufacturers of electronics are under pressure to make packages smaller, lighter and more environmentally friendly. They also need to ensure that new technologies perform reliably in their operating environments while maintaining compliance to a growing number of stringent regulations. This article will take a closer look at Parylene conformal coatings and the role they can play in helping manufacturers address current and future challenges in the electronics industry.

LEDs are increasingly being used in both outdoor and indoor applications. The environments in which they need to operate, however, can pose challenges to LED manufacturers. This article will look at how Parylene coatings – more specifically, Parylene HT® – can benefit LED applications that require protection from moisture and humidity, high temperatures and/or UV exposure.

Continuous progress in battery technologies leads to higher energy densities that, in turn, require greater protection. Battery system design is critical, and errors in the field can be detrimental to both machines and humans. In order to mitigate such risks and increase reliability, designers must ensure that components are isolated from each other and protected against external environments. This article reviews protective options for battery applications.

Financial considerations show that the use of COTS electronics for military applications will continue growing, so designers should protect them from heat, moisture, and radiation. The challenge is how to protect devices originally designed for non-military use without additional enclosures.

As technologies continue to evolve, with components often decreasing in size and increasing in complexity, the materials used to manufacture and protect the latest components and systems are also improving. Whether used in commercial or military aircraft, rockets, satellites, terrestrial or water vessels, or the latest in unmanned air, land and sea vehicles, systems within these industries must meet similar requirements – assemblies, components and electronics must be both lightweight and designed to withstand harsh operating conditions. This article explores the lightweight and reliable protection Parylene provides to a wide range of aerospace, avionics and defense applications.

Small forms, spindles, ferrites and miniature wire-wound electric motor parts can benefit from the protection of a thin, vacuum-deposited coating.

Since the birth of the PCB, there has been a need to test for residual ionic contamination, which can lead to corrosion and dendrite growth. Whether on bare boards or finished assemblies, contamination can cause current leakage across insulating surfaces — resulting in shorts. This article explains advancements in ionic cleanliness testing, including heated dynamic ionic contamination test systems and their benefits.

The Ionograph was designed to be a simple, fast and accurate means of testing for ionic contamination as compared to the expensive, time consuming, and highly technical alternative of chromatography. However, the accuracy of the instrument is dependent on the condition of the Ion Extract Solution.

For more than 50 years, conformal coatings and materials have been a tried-and-true method of protecting electronic devices and components. Ongoing development of new conformal coating materials and application processes creates opportunities for manufacturers to improve the quality and effectiveness of their products. Manufacturers are discovering that if they can invest in a versatile system, they save significant time and money in the long run. This article looks at the unmatched flexibility the SCS PrecisionCoat line of spray coating and dispense systems offers through a wide range of valves, tools and features.