公开(公告)号：US20230232546A1

公开(公告)日：2023-07-20

申请号：US17738913

申请日：2022-05-06

申请人： CHIA-MING LI ,  Guangdong ZECHENG Technology Co., LTD

发明人： CHIA-MING LI

IPC分类号： H05K3/46 ,  H05K1/14 ,  H05K3/42

CPC分类号： H05K3/4691 ,  H05K3/4652 ,  H05K1/147 ,  H05K3/422

摘要： A rigid-flex board is manufactured by attaching multiple self-adhesive copper foil films to a flexible circuit board through multiple build-up processes, thereby eliminating the need to pre-fabricate a rigid board and slot the rigid board. The build-up processes of the self-adhesive copper foil films allow the resulting rigid boards to be highly uniform in thickness so that thickness deviation of the rigid-flex board can be reduced.

公开(公告)号：US20230230929A1

公开(公告)日：2023-07-20

申请号：US17716184

申请日：2022-04-08

申请人： CHIA-MING LI ,  Guangdong ZECHENG Technology Co., LTD

发明人： CHIA-MING LI

IPC分类号： H01L23/538 ,  H05K3/38 ,  H05K3/46 ,  H05K1/11

CPC分类号： H01L23/5389 ,  H05K3/384 ,  H05K3/4652 ,  H05K1/115 ,  H05K2201/0355 ,  H05K2201/10674

摘要： A packaging process for embedded chips includes: (1) mounting at least one IC chip on a circuit substrate, the IC chip having at least one exposed pin; (2) attaching a self-adhesive copper foil film to the surface of the circuit substrate, wherein the self-adhesive copper foil film has a copper foil layer and a B-stage insulating adhesive layer, the copper foil layer has at least one to-be-opened copper foil area corresponding to the pin, the insulating adhesive layer is applied on the copper foil layer, has no glass fiber, covers the IC chip, and has at least one to-be-opened insulating adhesive area corresponding to the pin, and the pin is in contact with the insulating adhesive layer but not with the copper foil layer; (3) removing the to-be-opened copper foil area; (4) removing the to-be-opened insulating adhesive area with an etching solution; and (5) curing the insulating adhesive layer completely.

公开(公告)号：US20110120233A1

公开(公告)日：2011-05-26

申请号：US12647424

申请日：2009-12-25

申请人： CHIA-MING LI

发明人： CHIA-MING LI

IPC分类号： G01L3/00

CPC分类号： B25B23/14 ,  B25B23/1425

摘要： An adapter of the present invention includes a torsion rod for transferring torsion force between two tools/workpieces. The torsion rod has at least one arc surface disposed on its periphery. The arc surface and the torsion rod are concentric. A strain meter is disposed on the arc surface, and a displayer connects to the strain meter. As such, the adapter of the present invention can measure the torque value more precisely.

摘要翻译： 本发明的适配器包括用于在两个工具/工件之间传递扭力的扭力杆。 扭杆具有设置在其周边上的至少一个弧形表面。 弧面和扭杆是同心的。 应变仪设置在弧形表面上，显示器连接到应变仪。 因此，本发明的适配器可以更精确地测量扭矩值。