Invention Grant
- Patent Title: Apparatus and method for inspecting a semiconductor package
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Application No.: US15036011Application Date: 2014-11-10
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Publication No.: US09911666B2Publication Date: 2018-03-06
- Inventor: Ah Kow Chin , Choong Fatt Ho , Victor Vertoprakhov , Soon Wei Wong
- Applicant: SAEDGE VISION SOLUTIONS PTE. LTD.
- Applicant Address: SG Singapore
- Assignee: SAEDGE VISION SOLUTIONS PTE. LTD.
- Current Assignee: SAEDGE VISION SOLUTIONS PTE. LTD.
- Current Assignee Address: SG Singapore
- Agency: Mannava & Kang, P.C.
- Priority: SE2013084975 20131111
- International Application: PCT/SG2014/000527 WO 20141110
- International Announcement: WO2015/069191 WO 20150514
- Main IPC: G01N21/00
- IPC: G01N21/00 ; H01L21/66 ; H01L23/00 ; G01N21/88 ; G01N21/952 ; H01L21/67 ; G01N21/95

Abstract:
There is provided an apparatus and method for inspecting a semiconductor package. The apparatus includes at least one 3D camera positioned at a first angle relative to a normal axis of the semiconductor package; and a light source configured to provide illumination for the at least one 3D camera, the light source being directed at the semiconductor package. The method includes casting a shadow of a bonded wire onto the semiconductor package; obtaining a 3D image of the semiconductor package; determining a distance S of the shadow and the bonded wire in the image; and obtaining a wire loop height H of the bonded wire.
Public/Granted literature
- US20160254199A1 AN APPARATUS AND METHOD FOR INSPECTING A SEMICONDUCTOR PACKAGE Public/Granted day:2016-09-01
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