PIEZO-ELECTRIC OSCILLATOR AND ITS MANUFACTURING PROCESS

1. A piezoelectric oscillator, of the kind comprising : - a fluidtight casing (2) having a cavity (2a), said casing (2) including at least first and second parts (2b, 2c), each of said parts (2b, 2c) comprising a central region (3) defining the cavity (2a) of the casing and a peripheral region (4) h...

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Bibliographische Detailangaben
1. Verfasser:	LAESSER, CLAUDE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS RESONATORS
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Beschreibung
Zusammenfassung:	1. A piezoelectric oscillator, of the kind comprising : - a fluidtight casing (2) having a cavity (2a), said casing (2) including at least first and second parts (2b, 2c), each of said parts (2b, 2c) comprising a central region (3) defining the cavity (2a) of the casing and a peripheral region (4) having a first, annular, surface (9) for bearing against the first surface (10) of the other part (2c, 2b), and a second surface (14 resp. 15), - a piezoelectric element (1) mounted in said cavity (2a) of the casing (2), and - sealing means (11, 12) for fluidtightly closing the casing (2), characterized in that the sealing means include a) a gasket sealingly interposed between the first surfaces (9, 10) of said casing parts (2c, 2b) and b) a securing joint (12) comprising a hardenable material in a hartened state connecting said casing parts (2b, 2c) to one another by their second surface (14, 15).