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Title: MEMS packaging with etching and thinning of lid wafer to form lids and expose device wafer bond pads

Patent ·
OSTI ID:1109356

In wafer-level packaging of microelectromechanical (MEMS) devices a lid wafer is bonded to a MEMS wafer in a predermined aligned relationship. Portions of the lid wafer are removed to separate the lid wafer into lid portions that respectively correspond in alignment with MEMS devices on the MEMS wafer, and to expose areas of the MEMS wafer that respectively contain sets of bond pads respectively coupled to the MEMS devices.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
8,597,985
Application Number:
13/364,166
OSTI ID:
1109356
Country of Publication:
United States
Language:
English

References (5)

Wafer-level MEMS packaging via thermally released metal-organic membranes journal March 2006
Method for packaging microsensors patent October 2000
Solid state imaging device and manufacturing method thereof patent March 2011
Reliability study of hermetic wafer level MEMS packaging with through-wafer interconnect journal February 2009
Wafer level packaged MEMS integrated circuit patent December 2010

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