MEMS DEVICES SEALING METHOD Russian patent published in 2018 - IPC B81C1/00 

Abstract RU 2662061 C1

FIELD: technological processes.

SUBSTANCE: use for the MEMS devices sealing. Summary of invention is in the fact that the method comprises the insulating grooves with depth up to buried oxide formation in the instrument layer, MEMS devices formation on the metal instrument layer surface in the eutectic alloy zone and on the contact surfaces, doped polysilicon based capacities formation on the connecting buses and cover plates sealing cover, interlayer dielectric on the sealing cover and the polysilicon second level in the eutectic alloy zone formation, bringing the instrument layer metal into contact with polysilicon on the sealing cover with application of the necessary pressure and temperature for the eutectic alloy formation.

EFFECT: enabling possibility of the sealing simplification and increase in the non-defective products yield.

1 cl, 10 dwg

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RU 2 662 061 C1

Authors

Belyaev Yakov Valerevich

Kovalev Anatolij Andreevich

Lebedev Sergej Valentinovich

Yakovlev Oleg Yulevich

Dates

2018-07-23Published

2017-10-25Filed