Sughrue Mion, PLLC
Method of tip shape of cutting member, semiconductor chip manufacturing method, circuit board, and electronic apparatus
A design method includes a process of preparing plural cutting members having different degrees of taper in a tip portion thereof, a process of preparing plural grooves on a front surface side having the same shape, a process of confirming a breakage status when a groove on a rear surface side is formed by the plural cutting members, and a process of selecting, when it is confirmed that both of a cutting member that causes breakage and a cutting member that does not cause the breakage are included, the degree of taper of the cutting member that does not cause the breakage as a tip shape of a cutting member to be used in a mass production process.
FUJI XEROX CO., LTD.
B B B H H H
B23D B28D B28D H01L H01L H01L
inventional inventional inventional inventional inventional inventional
Takeshi Kenji Kenichi Shuichi Michiaki Tsutomu Hiroaki
Minamiru Yamazaki Ono Yamada Murata Otsuka Tezuka