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Title:
MALE PRESS DIE, PRESS METHOD AND CONDENSING PLATE FOR CONDENSER TYPE SPHERICAL SILICON SOLAR CELL MANUFACTURED BY USING THE SAME PRESS METHOD
Document Type and Number:
Japanese Patent JP2008149332
Kind Code:
A
Abstract:

To provide a male press die and a press method by which the nose parts of wall surfaces in the boundary between concave parts are sharply formed when forming a plurality of adjacent concave parts on a working object and a condensing plate for condenser type spherical silicon solar cells which are manufactured by using the same press method.

This die is a male press die with which the plurality of adjacent concave parts 31 is formed and which is provided a plurality of punches 3 which is formed into a polygonal columnar shape and provided with a plurality of punches 3 which is formed into a prescribed shape and on one end part of which a prescribed-shaped projecting part 7 is formed and a base bed 5 with which the plurality of the punches 3 is supported in the state where side faces are closely stuck each other and the projecting parts 7 are projected.


Inventors:
Okahara, Haruo
Yano, Masayuki
Hiromoto, Yoshitaka
Kajiwara, Nobuyuki
Application Number:
JP2006000337473
Publication Date:
July 03, 2008
Filing Date:
December 14, 2006
Export Citation:
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Assignee:
KASATANI:KK
International Classes:
B21D37/02; B21D31/00; H01L31/042
Domestic Patent References:
JPH10263714A
JP2005172967A
JP2002301526A
JP2005317667A
JP2006229025A
JPS54103771A
Attorney, Agent or Firm:
三枝 英二
掛樋 悠路
立花 顕治