UFBGA package equipped with interface assembly including a photo

Details UFBGA package equipped with interface assembly including a photo UFBGA package equipped with interface assembly including a photo

1996-01-02

1999-03-02

Chaudhuri, Olik

Active solid-state devices (e.g., transistors, solid-state diode

Housing or package

With contact or lead

257678, 257690, H01L 2348

Patent

active

058775498

ABSTRACT:
An improved UFBGA package equipped with an interface assembly having external electrode protrusions, an anisotropic conductive film, and a photosoluble film, which includes an interface assembly provided at the lower portion of the substrate.

REFERENCES:
patent: 4731282 (1988-03-01), Tsukagoshi et al.
patent: 5042919 (1991-08-01), Yabu et al.
patent: 5072289 (1991-12-01), Sugimoto et al.
patent: 5120665 (1992-06-01), Tsukagoshi et al.
patent: 5283468 (1994-02-01), Kondo et al.
patent: 5291062 (1994-03-01), Higgins, III
patent: 5302854 (1994-04-01), Nishigurhi et al.
patent: 5434452 (1995-07-01), Higgins, III
Nekkei Electronics Magazine, May 1994, pp. 42-45.

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