Tab tape

Details Tab tape Tab tape

1993-12-14

1995-12-05

Ryan, Patrick J.

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

Lead frame

With separate tie bar element or plural tie bars

257668, 257691, H01L 2348

Patent

active

054731909

ABSTRACT:
A TAB tape is constituted by a base material consisting of, e.g., a polyimide, in which leads composed of a copper foil are formed on the base material, and a power supply unit and a signal unit formed on a substrate, such as a printed circuit board, are connected to electrodes formed on a chip via the copper foil leads. Power supply leads for supplying power to the chip, ground leads for grounding, and signal leads for exchanging signals with the chip are formed by the copper foil on one surface of the base material. A common power supply lead to be connected to the power supply leads and a common ground lead to be connected to the ground leads are formed by the copper foil on the other surface of the base material.

REFERENCES:
patent: 4870476 (1989-09-01), Solstad
patent: 4901136 (1990-02-01), Neugebauer et al.
patent: 5021866 (1991-06-01), Sudo et al.
patent: 5049974 (1991-09-01), Nelson et al.
patent: 5067004 (1991-11-01), Marshall et al.
patent: 5183711 (1993-02-01), Wada et al.
patent: 5252853 (1993-10-01), Michii
patent: 5311056 (1994-05-01), Wakabayashi et al.
patent: 5325268 (1994-06-01), Nachnani et al.
patent: 5331201 (1994-07-01), Nishino
patent: 5349238 (1994-09-01), Ohsawa et al.

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