Invention Grant
- Patent Title: Laminated anodic aluminum oxide structure, guide plate of probe card using same, and probe card having same
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Application No.: US17232029Application Date: 2021-04-15
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Publication No.: US11691387B2Publication Date: 2023-07-04
- Inventor: Bum Mo Ahn , Seung Ho Park , Sung Hyun Byun
- Applicant: POINT ENGINEERING CO., LTD.
- Applicant Address: KR Asan
- Assignee: POINT ENGINEERING CO., LTD.
- Current Assignee: POINT ENGINEERING CO., LTD.
- Current Assignee Address: KR Asan
- Priority: KR 20200050095 2020.04.24
- Main IPC: B32B15/04
- IPC: B32B15/04 ; B32B15/20 ; B32B3/26 ; G01R1/073 ; C25D11/04
Abstract:
Proposed are a laminated anodic aluminum oxide structure in which a plurality of anodic aluminum oxide films are stacked, a guide plate of a probe card using the same, and a probe card having the same. More particularly, proposed are a laminated anodic aluminum oxide structure with a high degree of surface strength, a guide plate of a probe card using the same, and a probe card having the same.
Public/Granted literature
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