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Parylene-coating system

A large industrial Parylene-coating system from Para Tech Scandinavia is shown in Pig. 20.26. The large deposition chamber can be used to coat up to 80 lbs of substrates per cycle. The horizontal tumbler is set to rotate at a speed that provides maximum exposure of surfaces to the monomer gas while avoiding substrate damage. [Pg.468]

Figure 20.26 Model 2000H horizontal Parylene-coating system. (Reproduced with permission from Para Tech Scandinavia). Figure 20.26 Model 2000H horizontal Parylene-coating system. (Reproduced with permission from Para Tech Scandinavia).
Parylene s use in the medical field is linked to electronics. Certain pacemaker manufacturers use it as a protective conformal coating on pacemaker circuitry (69). The coated circuitry is sealed in a metal can, so that the parylene coating serves only as a backup should the primary barrier leak. There is also interest in its use as an electrode insulation in the fabrication of miniature electrodes for long-term implantation to record or to stimulate neurons in the central or peripheral nervous system, as the "front end" of experimental neural prostheses (70). One report describes the 3-yr survival of functioning parylene-coated electrodes in the brain of a monkey (71). [Pg.442]

For specifications, see the web site of Specialty Coating Systems http //www.scscoat ings.com/parylene knowledge/ specifications. cfm. [Pg.70]

Typical parylene deposition conditions in a Specialty Coating Systems LabCoater 2010 are ... [Pg.114]

Parylene C Specialty Coating Systems (SCS) Chlorinated type... [Pg.83]

Kumar R, Hanefeld P, Horst S, Meise M, Greiner A, Bognitzki M. Parylene variants and methods of synthesis and use. US Patent 7994372, assigned to Specialty Coating Systems, Inc., Indianapolis, IN 2011. [Pg.64]

Commonly available parylene variants include parylene C, N, and D. Among them, parylene C is the most popular due to its combination of barrier properties, cost, and other processing advantages. Parylene HT from Specialty Coating System (Indianapolis, IN, USA) is a recent development. Chemical compositions of these parylenes are shown in Fig. 5. Parylene HT has the repeat unit -CF2- (the repeat unit of Teflon PTFE) in its aliphatic chemistry, and hence it has superior oxidative and UV stability. [Pg.567]

Poly(p-xylylene), PPX, was first prepared via the reactive intermediate p-xylylene by Szwarc in the 1940s. In the 1960s Union Carbide developed a synthetic route based on the dimer di-p-xylylene ([2.2]paracyclophane). These PPXs are commonly referred to as parylene and are available under the GALXYL trade name from Specialty Coating Systems, Inc [63,64]. A general structure of PPX is depicted in Fig. 1.38. [Pg.17]

Specialty Coating Systems, Inc. (Ed.) Parylene Knowledge, http //scscoatings.com/ what is parylene/index.aspx, retrieved 19 December 2012. [Pg.318]

An ideal model system was selected to study the interfacial factors with EIS [19]. The model system was Parylene C-coated Alclad (aluminum-clad aluminum alloy). In this system, the surface state of the top surface (salt solution/coating interface) and the adhesion of the coating (coating/metal interface) were modified to study the influence of these factors on the corrosion protection performance of the system. [Pg.591]

Thus, without SAIE, Parylene C film, which has excellent barrier and physical properties, cannot be utilized in corrosion protection of a metal. Conversely, SAIE is the key to yield an excellent corrosion protection systems. It is also important to recognize how a nanofilm of hydrophobic amorphous network of plasma coating can prevent the initiation of the salt intrusion process. [Pg.596]

Unlike most plastics, parylene is not produced and sold as a polymer. It is not practical to melt, extrude, mold, or calender as with other thermoplastics. Nor can it be applied from solvent systems, because it is insoluble in conventional solvents. The parylene process starts with a dimer rather than a polymer and polymerizes on the surface of an object. To achieve this, the dimer must first go through a two-step heating process. The solid dimer is converted to a reactive vapor of the monomer. When passed over room temperature objects, the vapor will rapidly coat them with polymer. The coating thickness is very uniform and controlled simply by regulating the amount of dimer that is vaporized. [Pg.394]


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See also in sourсe #XX -- [ Pg.465 , Pg.467 , Pg.469 ]




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