Title:
FORMATION OF POSITIONING PATTERN FOR MOUNTING PARTS ON PRINTED CIRCUIT BOARD
Document Type and Number:
Japanese Patent JPH0653623
Kind Code:
A
Abstract:
PURPOSE: To conduct automatic mounting of parts without fail by identifying appropriately a positioning pattern.
CONSTITUTION: A positioning pattern 1 of a printed circuit board 4 to be used at the time of automatic mounting of parts on the printed circuit board 4 is formed. At the same time, a protecting pattern 2 surrounding the external periphery of the positioning pattern 1 is formed. The protecting pattern 2 prevents distortion of the positioning pattern 1 at the time of polishing the pattern surface with a cylindrical brush or other tools during the manufacturing process of the printed circuit board.
Inventors:
NIIJIMA SHINICHI
Application Number:
JP22471192A
Publication Date:
February 25, 1994
Filing Date:
July 30, 1992
Export Citation:
Assignee:
KOKUSAI ELECTRIC CO LTD
International Classes:
H05K1/02; H05K3/00; H05K3/26; H05K13/04; (IPC1-7): H05K1/02; H05K3/00
Attorney, Agent or Firm:
Ishido