Invention Grant
- Patent Title: Method and apparatus for multilayer support substrate
- Patent Title (中): 多层支撑基板的方法和装置
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Application No.: US12547454Application Date: 2009-08-25
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Publication No.: US08269514B2Publication Date: 2012-09-18
- Inventor: Eric D. Hobbs , Gaetan L. Mathieu , Frank M. Zalar
- Applicant: Eric D. Hobbs , Gaetan L. Mathieu , Frank M. Zalar
- Applicant Address: US CA Livermore
- Assignee: FormFactor, Inc.
- Current Assignee: FormFactor, Inc.
- Current Assignee Address: US CA Livermore
- Agency: Kirton McConkie
- Main IPC: G01R31/20
- IPC: G01R31/20

Abstract:
Embodiments of the present invention can relate to probe card assemblies, multilayer support substrates for use therein, and methods of designing multilayer support substrates for use in probe card assemblies. In some embodiments, a probe card assembly may include a multilayer support substrate engineered to substantially match thermal expansion of a reference material over a desired temperature range; and a probe substrate coupled to the multilayer support substrate. In some embodiments, the reference material may be silicon.
Public/Granted literature
- US20110050265A1 METHOD AND APPARATUS FOR MULTILAYER SUPPORT SUBSTRATE Public/Granted day:2011-03-03
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