Method of uniformly applying a paste on a paste applying body

Details Method of uniformly applying a paste on a paste applying body Method of uniformly applying a paste on a paste applying body

2005-03-01

2005-03-01

Parker, Fred J. (Department: 1762)

Coating processes

Nonuniform coating

Applying superposed diverse coatings or coating a coated base

C427S287000, C427S096400

Reexamination Certificate

active

06861095

ABSTRACT:
A method of forming a paste pattern with no variations in liquid amount while preventing a bubble from being entrapped in a step of bonding a bonded member. The drawing pattern is linearly drawn with a paste on the paste-applied body by using a nozzle, the paste, a paste reserving container, and paste supply means. The paste line is drawn while moving any of the paste-applied body, the nozzle and the paste. The paste-applied body can be a lead frame, and the paste can be an adhesive for die bonding. The drawing pattern is a figure made up of a plurality of segment lines, preferably a figure in the radial form. The drawing pattern can be a figure including an enclosed shape. At least one segment line is formed of two drawn lines by moving any of the paste-applied body, the nozzle and the paste to go and return. The start and end points of drawn lines can be positioned other than the ends of the drawing pattern.

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patent: 10-144703 (1998-05-01), None

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