Invention Grant
- Patent Title: Warpage preventing substrates
- Patent Title (中): 防翘曲基材
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Application No.: US11917613Application Date: 2006-06-23
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Publication No.: US08383954B2Publication Date: 2013-02-26
- Inventor: Rene Wilhelmus Johannes Maria van den Boomen
- Applicant: Rene Wilhelmus Johannes Maria van den Boomen
- Applicant Address: TW Hsin-Chu
- Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
- Current Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
- Current Assignee Address: TW Hsin-Chu
- Agency: Haynes and Boone, LLP
- International Application: PCT/IB2006/052067 WO 20060623
- International Announcement: WO2006/137043 WO 20061228
- Main IPC: H05K1/02
- IPC: H05K1/02

Abstract:
Consistent with an example embodiment, there is an apparatus comprising a circuit (500) board. The circuit board includes a first surface (501a) and a second surface (501b). The first and second surfaces each have at least a component populated thereon; the circuit board has a first surface thereof populated before a second surface thereof and is overmolded. The circuit board has conductive material disposed over areas of the second surface defining at least a feature (504) on the second surface. The at least a feature is defined by the conductive material and other than defined by solder resist (508) disposed on the second surface overlapping the conductive material, wherein the at least a feature is a feature for remaining exposed during a process of populating the first surface other than a fiducial.
Public/Granted literature
- US20090103274A1 WARPAGE PREVENTING SUBSTRATES AND METHOD OF MAKING SAME Public/Granted day:2009-04-23
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