Method of partial reproduction of a pattern from a master

Details Method of partial reproduction of a pattern from a master Method of partial reproduction of a pattern from a master

1976-07-29

1978-06-20

Smith, Ronald H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

96 14, 427121, 428195, 428211, G03G 1316

Patent

active

040962881

ABSTRACT:
A method of reproducing in an electrostatic copying apparatus a portion of an entire master pattern comprised of toner deposited on an electrostatic latent image onto a reproducing medium. The reproducing medium, itself, is an insulative sheet material which has a copy surface on which the selected portions will be reproduced. At least one first transparent conductive film is deposited on the back side of the copy surface of the sheet material in the area corresponding to the portion of the master pattern which will not be reproduced, and at least one second transparent conductive film is deposited along only one end of the sheet material on the same side of the material as the first conductor film. Finally, a third transparent conductive film connects the first and second films to each other. The method of producing on this reproducing medium begins by feeding one end of the sheet material opposite the end containing the second conductive film into the electrostatic copier. The copy surface of the insulative sheet material is contacted by the entire toner-coated electrostatic latent image, and the toner is electrostatically transferred to the copying surface of the sheet material in all areas except those corresponding to the conductive film on the back side of the sheet material.

REFERENCES:
patent: 2847305 (1958-08-01), Walkup
patent: 3004860 (1961-10-01), Gundlach
patent: 3483027 (1969-12-01), Ritzerfeld et al.
patent: 3783021 (1974-01-01), York
patent: 3807852 (1974-04-01), Hoydic
patent: 3936172 (1976-02-01), McVeigh

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