Lamination method for coating the sidewall or filling a cavity i

Details Lamination method for coating the sidewall or filling a cavity i Lamination method for coating the sidewall or filling a cavity i

1990-12-13

1993-05-04

Lusigan, Michael

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 98, C23C 2600

Patent

active

052080684

ABSTRACT:
Method for pressing a material into a through-hole or blind-hole in a substrate. The material is disposed on the surface of the substrate. An environment is provided permitting the material to flow for example by heating the material to the glass transition temperature or above. Thereafter pressure is applied causing the material to flow, first coating the sidewall of the hole and on the continued application of pressure the material flows to completely fill the hole. The resulting substrate can have a substantially planar surface having holes with the periphery coated with or completely filled with the material. The material is preferably a thermoplastic polymeric material such as a polyimide and a perfluorinated polymer.

REFERENCES:
patent: 3727108 (1973-04-01), Westrom
patent: 4001651 (1977-01-01), Kershaw, Jr.
patent: 4145460 (1979-03-01), Finley
patent: 4161012 (1979-07-01), Cunningham
patent: 4188415 (1980-02-01), Takahashi
patent: 4240124 (1980-12-01), Westrom
patent: 4336100 (1982-06-01), Passlick
patent: 4404614 (1983-09-01), Koch et al.
patent: 4572764 (1986-02-01), Fan
patent: 4651417 (1987-03-01), Schumacher
patent: 4656555 (1987-04-01), Raudabaugh
patent: 4791248 (1988-12-01), Oldenettel
Ohio Brass Catalog 94: PDV-65 and PDV-100 Distribution Class Surge Arresters.
Joslyn Manufacturing Co. Publication: ZQP Arresters . . . The Latest in Metal Oxide Polymeric Technologies.
English Translation of German Patent 3027336.

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