Invention Grant
- Patent Title: Warping reduction in silicon wafers
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Application No.: US15945665Application Date: 2018-04-04
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Publication No.: US10593631B2Publication Date: 2020-03-17
- Inventor: Jeewika Ranaweera
- Applicant: Oracle International Corporation
- Applicant Address: US CA Redwood Shores
- Assignee: Oracle International Corporation
- Current Assignee: Oracle International Corporation
- Current Assignee Address: US CA Redwood Shores
- Agency: Kowert, Hood, Munyon, Rankin & Goetzel, P.C.
- Main IPC: H01L23/00
- IPC: H01L23/00 ; H01L21/3205 ; H01L21/311 ; H01L21/768 ; H01L21/66 ; H01L23/58 ; H01L21/78 ; H01L23/522 ; H01L23/544 ; H01L23/528

Abstract:
Techniques for reducing stress in an integrated circuit wafer are disclosed. A silicon substrate may include multiple integrated circuit chips and multiple scribe regions situated between the one of the multiple integrated circuit chips. A particular scribe region includes a plurality of layers and a stress reduction structure that includes, at a particular layer of the plurality of layers, a material whose coefficient of thermal expansion of materials is greater than a coefficient of thermal expansion of the silicon wafer.
Public/Granted literature
- US20190311995A1 WARPING REDUCTION IN SILICON WAFERS Public/Granted day:2019-10-10
Information query
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