Title:
BONDING WIRE WINDING SPOOL, WINDING STRUCTURE, AND SPOOL CASE
Document Type and Number:
WIPO Patent Application WO/2019/009312
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a bonding wire winding spool from which a bonding wire that has been wound onto the spool can be favorably unwound, even after the spool has been struck or shaken during long-distance transport or mounting onto a bonding device; a winding structure for the winding spool; and a spool case for housing the spool. This bonding wire winding spool is made of a composite resin and comprises a perforated guide part, a body part, and a flange part, an inner surface of the flange part having a sloping part that has an elevation angle of 76°–86°, the vertical height (h) of the sloping part being at least 50% of the vertical height (H) of the entire inner surface of the flange part.
Inventors:
KIMURA NOBUYUKI (JP)
OTSU SACHIHIRO (JP)
YANAI HIROFUMI (JP)
OTSU SACHIHIRO (JP)
YANAI HIROFUMI (JP)
Application Number:
PCT/JP2018/025285
Publication Date:
January 10, 2019
Filing Date:
July 03, 2018
Export Citation:
Assignee:
TANAKA ELECTRONICS IND (JP)
International Classes:
H01L21/60
Foreign References:
JP2004087536A | 2004-03-18 | |||
JP2003205989A | 2003-07-22 | |||
JP2001085462A | 2001-03-30 | |||
JP2004087536A | 2004-03-18 | |||
JP2679697B2 | 1997-11-19 | |||
JPS533658B2 | 1978-02-08 | |||
JPS58151154U | 1983-10-11 |
Attorney, Agent or Firm:
MIYAZAKI Satoru (JP)
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