Composite films with Langmuir-Blodgett component

Details Composite films with Langmuir-Blodgett component Composite films with Langmuir-Blodgett component

1988-12-05

1991-06-18

Buffalow, Edith

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

4284735, 428901, 525436, B32B 2700

Patent

active

050248731

ABSTRACT:
A Langmuir-Blodgett monolayer polyimide film and a bulk amorphous polyimide film are in contacting superposed relation to form a composite film having improved moisture resistance. The composite film may be either a free film or provide an insulating coating on the surface of a microelectronics device.

REFERENCES:
patent: 4696838 (1987-09-01), Miyata et al.
patent: 4822853 (1989-04-01), Uekita et al.
"Langmuir-Blodgett Films", Petty, M. C., pp. 65-69, Endeavour, New Series, vol. 7, No. 2, published in Great Britain, 1983.
"A Moisture Protection Screening Test for Hybrid Circuit Encapsulants", Mancke, R. G., pp. 492-498, IEEE Transactions on Components, Hybrids and Manufacturing Technology, vol. CHMT-14, No. 4, Dec. 1981.
"InGaAs Metal Semiconductor Field-Effect Transistor with Langmuir-Blodgett Deposited Gate Structure", Chan, W. K. et al., pp. 220-223, IEEE Electron Device Letters, vol. 9, No. 5, May 1988.
"Preparation of Polyimide Mono- and Multilayer Films", M. Kakimoto et al., Polymers for High Technology, Chapter 41, pp. 484-495, published in 1987 by the American Chemical Society.
"Preliminary Information Bulletin Spin Coating Techniques", Bulletin #PC-2, published by DuPont Company, May 1985.
"Langmuir-Blodgett Films-the Ultrathin Barrier", Pitt, C., pp. 226-229, Electronics & Power, Mar. 1983.

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