Invention Grant
- Patent Title: Package process, DAF replacement
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Application No.: US16934971Application Date: 2020-07-21
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Publication No.: US11552040B2Publication Date: 2023-01-10
- Inventor: Siqi Zhang , Xu Wang , Pradeep Rai , Shrikar Bhagath
- Applicant: Western Digital Technologies, Inc.
- Applicant Address: US CA San Jose
- Assignee: Western Digital Technologies, Inc.
- Current Assignee: Western Digital Technologies, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Morgan, Lewis & Bockius LLP
- Main IPC: H01L23/00
- IPC: H01L23/00

Abstract:
A method is disclosed herein. The method includes dicing a wafer and applying a mask. The method includes spraying die bond material, at a first temperature, to a surface of the wafer and cooling the die bond material at a second temperature to at least partially solidify the die bond material. The method also includes removing the mask from the wafer through the die bond material. After the removing of the mask, the method includes curing the die bond material to form a die attach film layer on the wafer.
Public/Granted literature
- US20220028819A1 PACKAGE PROCESS, DAF REPLACEMENT Public/Granted day:2022-01-27
Information query
IPC分类: