Thermal printing head

Details Thermal printing head Thermal printing head

1982-11-05

1985-03-19

Goldberg, E. A.

Recorders

Thermal recording

400120, 219216, G01D 1510

Patent

active

045062722

ABSTRACT:
A very compact thermal printing head which may be manufactured at low cost is proposed. The thermal printing head integrally comprises a given multiple of heaters formed in an array, and a plurality of semiconductor devices each having at least a plurality of transistors which are respectively connected to heaters and a shift register which transfers an image signal for selectively switching the plurality of transistors. Straight lead wires are used to connect the semiconductor devices and the heaters, and L-shaped or inverted L-shaped lead wires are used to connect the semiconductor devices and a set of multi-layer wiring conductors having terminal mount portions of the head. These straight and L-shaped (or inverted L-shaped) lead wires are respectively supported on electrically insulating flexible films obtained by the TAB (tape automated bonding) method.

REFERENCES:
patent: 2645701 (1953-07-01), Kerridge
patent: 2683673 (1954-07-01), Silversher
patent: 3578946 (1971-05-01), Colello
patent: 4141018 (1979-02-01), Mizuguchi
patent: 4390884 (1983-06-01), Applegate
patent: 4423425 (1983-12-01), Reese
Regehr, "Thermal Printer Assembly", Jan. 1980, pp. 3337-3341, IBM Tech. Disc. Bulletin.

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