Metal working – Piezoelectric device making
Patent
1993-08-19
1996-01-30
Vo, Peter
Metal working
Piezoelectric device making
310321, H01L 4104, H03H 302, H04R 1710
Patent
active
054872111
ABSTRACT:
A surface-mountable crystal resonator (100) is provided in the following manner. A first predetermined electrode pattern (105) and a second predetermined electrode pattern (201) are formed on a first major surface (104) and a second major surface (200), respectively, of a piezoelectric crystal substrate (101). Additionally, a first predetermined attachment electrode pattern (106), electrically coupled to the second predetermined attachment electrode pattern, and a second predetermined attachment electrode pattern (202), electrically coupled to the first predetermined attachment electrode pattern, are formed on a first attachment area (102) and a second attachment area (103), respectively. The first and second attachment areas include extensions (107) that, when mounted, allow a conductive adhesive (301), placed on a mounting substrate (300), to flow and establish electrical connections with the first and second predetermined attachment electrode patterns.
REFERENCES:
patent: 4370785 (1983-02-01), Assenze et al.
patent: 4385255 (1983-05-01), Yamaguchi et al.
patent: 4409711 (1983-10-01), Ballato et al.
patent: 4484382 (1984-11-01), Kawashima
patent: 4649310 (1987-03-01), Nakamura et al.
Haas Ken A.
Haas Kevin L.
Vought Kimber J.
Markison Timothy W.
Moreno Christopher P.
Motorola Inc.
Vo Peter
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