keyence laser symbol in autocad electrical

registration marks, alignment structures, wafer maps

H01L23/544- Marks applied to semiconductor devices or parts, e.g.

H01L23/00- Details of semiconductor or other solid state devices.

H01L- SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10.

Assignors: CHENG, A-TSUNG, SU, SHU-LING Publication of US20070084836A1 publication Critical patent/US20070084836A1/en Application granted granted Critical Publication of US7622806B2 publication Critical patent/US7622806B2/en Status Expired - Fee Related legal-status Critical Current Adjusted expiration legal-status Critical Links ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by ChipMOS Technologies Bermuda Ltd, ChipMOS Technologies Inc filed Critical ChipMOS Technologies Bermuda Ltd Priority to US11/249,465 priority Critical patent/US7622806B2/en Assigned to CHIPMOS TECHNOLOGIES INC., CHIPMOS TECHNOLOGIES (BERMUDA) LTD. Original Assignee ChipMOS Technologies Bermuda Ltd ChipMOS Technologies Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

( en Inventor Shu-Ling Su A-Tsung Cheng Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related, expires Application number US11/249,465 Other versions US20070084836A1 Google Patents Laser mark on an IC componentĭownload PDF Info Publication number US7622806B2 US7622806B2 US11/249,465 US24946505A US7622806B2 US 7622806 B2 US7622806 B2 US 7622806B2 US 24946505 A US24946505 A US 24946505A US 7622806 B2 US7622806 B2 US 7622806B2 Authority US United States Prior art keywords laser component character stroke paths Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

Google Patents US7622806B2 - Laser mark on an IC component US7622806B2 - Laser mark on an IC component

Keyence laser symbol in autocad electrical