How much does parylene cost?

Cost for parylene dimer can be anywhere from $200 to $5,000 per pound depending on the different type of dimer. A typical coating run is around a pound of dimer. Different adhesion promotion methods require different raw materials.

How do you dissolve parylene?

Chemical removal: Parylene is highly chemical resistant. No chemical can dissolve it are room temperature. However Tetrahydrofuran an organic solvent can soften the coating; temporarily loosening the adhesion bond between the coating and the substrate so that it can be lifted off like a mask with a tweezers.

Is parylene biocompatible?

The US FDA has approved parylene with a Class VI biocompatibility rating suitable for human implantable devices, based on its performance in the USP Class VI grade and ISO 10993 group of standards.

What is parylene C?

Parylene C, a chlorinated poly(para-xylylene) polymer, is widely employed as a biocompatible, corrosion-resistant coating, as a packaging material, and as an optically transparent material.

Is parylene coating expensive?

A typical Parylene coating run uses about a pound of raw Parylene, which costs anywhere from $200 to $5,000 per pound.

How is parylene made?

Parylene polymer deposition takes place at the molecular level, where films essentially ‘grow’ a molecule at a time: A solid, granular raw material, called dimer, is heated under under vacuum and vaporized into a dimeric gas. The gas is then pyrolized to cleave the dimer to its monomeric form.

What is parylene dimer?

Parylene dimer is, essentially, a “raw” ingredient. Unlike parylene in its more familiar states, a dimer exists in solid form and is later transformed into a gas through chemical vapor deposition (CVD).

What is parylene polymer deposition?

Parylene polymer deposition takes place at the molecular level, where films essentially ‘grow’ a molecule at a time: A solid, granular raw material, called dimer, is heated under under vacuum and vaporized into a dimeric gas.

How are parylene coatings applied?

Parylene coatings are applied at ambient temperatures with specialized vacuum deposition equipment. Parylene polymer deposition takes place at the molecular level, where films essentially ‘grow’ a molecule at a time: A solid, granular raw material, called dimer, is heated under under vacuum and vaporized into a dimeric gas.

How to optimize the plasma deposition of parylene-C film for thickness control?

The plasma deposition of the parylene-C film was optimized for thickness control by adjusting the amount and evaporation time of the parylene-C dimers and the plasma intensity. The parylene-C films obtained via plasma deposition were characterized and their properties were compared with those obtained using the conventional pyrolysis method.

What is the hydrophilicity of parylene-C film?

The hydrophilicity of the surface of parylene-C films with a thickness of approximately 150 nm, prepared from plasma deposition at plasma powers of 10, 20, and 30 W was also estimated. As shown in Fig. 9 (a), the contact angle of the surface of the film obtained from conventional thermal deposition was estimated to be 88.5° (n = 3).