Method for manufacturing an electronic component

Details Method for manufacturing an electronic component Method for manufacturing an electronic component

1995-01-30

1997-02-11

Echols, P. W.

Metal working

Piezoelectric device making

29843, 29855, H04R 1700, H04R 1900, H04R 4300

Patent

active

056008775

ABSTRACT:
A flux containing an activator of the nonionic halogen group is used in soldering one end of each of lead terminals 6a and 6b to each of drawing electrodes 5a and 5b of a ceramic element 2. After soldering them, a wax 9 is dripped on the periphery of vibrating electrodes 4a and 4b of the ceramic element 2. Then, an outer resin 10 is applied around the periphery of the ceramic element 2 and so on. By drying the outer resin 10, a solvent contained in the outer resin 10 is dispersed to the outside, and pores are formed in the outer resin 10 on paths through which the solvent has been dispersed. At the same time, a part of a residual flux 11 is absorbed into the pores formed in the outer resin 10. The whole is heated to 150.degree. C. to harden the outer resin 10. When the whole is heated, the wax 9 and the remaining part of the residual flux 11 are absorbed into the pores of the outer resin 10. As a result, a cavity 8 is formed around the periphery of the vibrating electrodes 4a and 4b. When the whole has been heated to 150.degree. C., the outer resin 10 is hardened, and an outer member 7 is formed.

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