Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1995-04-28
1996-10-22
Dougherty, Thomas M.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310340, H01L 41053
Patent
active
055680062
ABSTRACT:
A surface mount crystal package (10) receptacle mounting adapted to canti-leverably receive a piezoelectric element. The surface mount crystal package (10) is configured to hermetically enclose a crystal resonator (19) or crystal filter mounted in a proximal base (12) in a cantilever fashion. This package (10) is hermetically sealed in the proximal base 12, a distal cap (14) and sleeve (16). The package (10) is adapted to improve and faciliate surface mounting, provide a low cost and automatable assembly, and provide a low-stress mounting of a piezoelectric element in a simplified and portable design.
REFERENCES:
patent: 2785321 (1957-03-01), Imler
patent: 4223177 (1980-09-01), Nakamura
patent: 4484158 (1984-11-01), Roberts et al.
patent: 5477102 (1995-12-01), Miyoshi
Kiscellus William
Luff Marlin
Skoda William
Cunningham Gary J.
Dougherty Thomas M.
Mancini Brian M.
Motorola Inc.
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