Metal working – Piezoelectric device making
Patent
1984-07-13
1987-02-03
Goldberg, Howard N.
Metal working
Piezoelectric device making
29838, 29882, 310353, H04R 1700
Patent
active
046399887
ABSTRACT:
A method of making quartz oscillators wherein, round-sectioned bar-shaped leads are inserted through a base and are glass-sealed to be secured to the base, the parts above the base are pressed to form flat plate-shaped inner parallel spaced leads, so that the leads annealed in the glass-sealing step will be compressed and hardened, and the inner leads will be resilient to enable a quartz piece to be resiliently held by its sides when it is inserted between the inner leads. The steps can be automated and the cost of manufacturing the oscillators can be reduced.
REFERENCES:
patent: 2955352 (1960-10-01), Wintriss
patent: 3798761 (1974-03-01), De Jong
Hastede, et al, Core Plane Terminal Forming Die, IBM Tech. Disclosure Bull., vol. 8, No. 9, Feb. 1966, p. 1208.
Amemiya Ikuzo
Goto Hajime
Hatano Yoshinobu
Nakayama Masanobu
Echols P. W.
Goldberg Howard N.
Kanagawa Mfg., Co., Ltd.
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