Invention Grant
- Patent Title: Method of stress induced cleaving of semiconductor devices
- Patent Title (中): 半导体器件应力诱导断裂的方法
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Application No.: US14550121Application Date: 2014-11-21
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Publication No.: US09412899B2Publication Date: 2016-08-09
- Inventor: Scott Brad Herner , Linda Romano , Daniel Bryce Thompson , Martin Schubert
- Applicant: GLO AB
- Applicant Address: SE Lund
- Assignee: GLO AB
- Current Assignee: GLO AB
- Current Assignee Address: SE Lund
- Agency: The Marbury Law Group PLLC
- Main IPC: H01L29/267
- IPC: H01L29/267 ; H01L33/00 ; H01L23/00 ; H01L21/268 ; H01L21/78 ; H01L21/768 ; B23K26/40 ; H01L33/20

Abstract:
A method of dicing semiconductor devices includes depositing a continuous first layer over the substrate, such that the first layer imparts a compressive stress to the substrate, and etching grooves in the first layer to increase local stress at the grooves compared to stress at the remainder of the first layer located over the substrate. The method also includes generating a pattern of defects in the substrate with a laser beam, such that a location of the defects in the pattern of defects substantially corresponds to a location of at least some of the grooves in the in the first layer, and applying pressure to the substrate to dice the substrate along the grooves.
Public/Granted literature
- US20150144968A1 METHOD OF STRESS INDUCED CLEAVING OF SEMICONDUCTOR DEVICES Public/Granted day:2015-05-28
Information query
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