Invention Grant
- Patent Title: Wire bond damage detector including a detection bond pad over a first and a second connected structures
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Application No.: US18075288Application Date: 2022-12-05
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Publication No.: US12159808B2Publication Date: 2024-12-03
- Inventor: Hung-Yun Lin , Siva Prakash Gurrum
- Applicant: Texas Instruments Incorporated
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent Ronald O. Neerings; Frank D. Cimino
- Main IPC: H01L21/66
- IPC: H01L21/66 ; G01R1/067 ; G01R31/52 ; H01L23/00 ; H01L23/495 ; H01L23/522 ; H01L23/528

Abstract:
An integrated circuit (IC) includes semiconductor substrate with a metal stack including a lower, upper and a top metal layer that includes bond pads and a detection bond pad (DBP). A wirebond damage detector (WDD) includes the DBP over a first and second connected structure. The first and second connected structures both include spaced apart top segments of the upper metal layer coupled to spaced apart bottom segments of the lower metal layer. The DBP is coupled to one end of the first connected structure, and ≥1 metal trace is coupled to another end extending beyond the DBP to a first test pad. The second connected structure includes metal traces coupled to respective ends each extending beyond the DBP to a second test pad and to a third test pad.
Public/Granted literature
- US20230100709A1 WIRE BOND DAMAGE DETECTOR INCLUDING A DETECTION BOND PAD OVER A FIRST AND A SECOND CONNECTED STRUCTURES Public/Granted day:2023-03-30
Information query
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