Coating processes – Electrical product produced – Piezoelectric properties
Patent
1995-06-01
1997-01-14
Beck, Shrive
Coating processes
Electrical product produced
Piezoelectric properties
29 2535, 310340, 252 629, 174 521, 174 522, 361225, 361226, 257787, 257790, 257791, B05D 512, H04R 1700
Patent
active
055937217
ABSTRACT:
An organic silicon compound 10 is applied around vibrating electrodes 3a and 3b of a piezoelectric resonant element 1. A compound such as silane, chlorosilane, silazane, silthiane, siloxane, cyclosilane, cyclosilazane, cyclosilthiane, cyclosiloxane, silanol, or metallosilicone is used as the organic silicon compound 10. Around the piezoelectric resonant element 1 and the organic silicon compound 10, for example, an ultraviolet ray curing resin is applied, and the ultraviolet ray curing resin is cured, thereby a permeable film 11 is formed. A cavity 12 is formed around the vibrating electrodes 3a and 3b by dispersing the organic silicon compound 10 to the outside through the film 11. Around the film 11, for example, an outer coating resin is applied, and the outer coating resin is cured, thereby an outer coating material 13 is formed.
REFERENCES:
patent: 3650003 (1972-03-01), Toyoshima
patent: 3747176 (1973-07-01), Toyoshima
patent: 4017752 (1977-04-01), Kakehi et al.
patent: 4103264 (1978-07-01), Howatt et al.
patent: 5184043 (1993-02-01), Yoshinaga
Daidai Muneyuki
Sumita Manabu
Beck Shrive
Murata Manufacturing Co. Ltd.
Talbot Brian K.
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