Screen printing apparatus and screen printing method

Details Screen printing apparatus and screen printing method Screen printing apparatus and screen printing method

1995-01-19

1996-02-27

Yan, Ren

Printing

Stenciling

Stencil and work support

101DIG36, 101129, 33614, B41F 1500, B41F 1514

Patent

active

054939690

ABSTRACT:
A screen printing apparatus for printing a printing paste to a to-be-printed object, includes a positioning stage for positioning and fixing the to-be-printed object, a screen printing plate disposed above the positioning stage, a printing squeegee moved in a predetermined moving direction within a horizontal plane while keeping touch with the screen printing plate to thereby print the printing paste on the screen printing plate to the to-be-printed object, a circuit pattern provided on the screen printing plate and inclined at an angle to the moving direction of the printing squeegee, a lift device for relatively moving the positioning stage up and down to a predetermined printing position in a vicinity of a lower face of the screen printing plate, a rotating device for rotating the positioning stage about a longitudinal axis orthogonal to a face of the positioning stage, and a controlling device for controlling and rotating the positioning stage by means of the rotating device so that an inclining angle of the to-be-printed object agrees with the inclining angle of the circuit pattern on the screen printing plate, wherein the printing paste is printed to the object securely positioned on the positioning stage with the use of the screen printing plate having the circuit pattern and the printing squeegee, thereby forming printed circuit portions.

REFERENCES:
patent: 5176078 (1993-01-01), Homma et al.

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