METHOD TO MANUFACTURE COMPOSITE ELECTROACOUSTIC CONVERTER Russian patent published in 2015 - IPC H04R31/00 

Abstract RU 2554591 C2

FIELD: technological processes.

SUBSTANCE: invention relates to the field of instrument making, in particular, to technology of making a composite electroacoustic converter comprising piezoceramic active elements. The method to manufacture an electroacoustic converter provides for adhesion of piezoceramic elements by means of application of glue onto adhered surfaces, assembly of piezoceramic elements into a piezoblock, and also polymerisation of glue in glue joints. At the same time application of glue onto adhered surfaces is carried out with exposure to the glue by ultrasonic oscillations with frequency of 18-22 kHz and amplitude of 4 or 3 mcm. At the same time the gap between the tip of the ultrasonic emitter and surface of the piezoceramic element makes 0.3 or 0.2 mm.

EFFECT: reduced duration of manufacturing of a piezoceramic converter.

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RU 2 554 591 C2

Authors

Aleksandrova Polina Vasil'Evna

Krasnov Aleksej Vladimirovich

Legusha Fedor Fedorovich

Malyshkina Ol'Ga Vital'Evna

Pugachev Sergej Ivanovich

Semenova Natalija Glebovna

Stankevich Jurij Vadimovich

Pavlovskij Areem Sergeevich

Dates

2015-06-27Published

2013-10-30Filed