Patent ID: 9624097
Date: 2017-04-18
CPC Classifications: B81B,B81C,G02B,H01L

Claim:
1. A manufacturing method of a microelectromechanical system (MEMS) package structure, comprising: providing a base, wherein the base comprises a recess; disposing a chip in the recess, wherein the chip has an active surface; disposing a MEMS device on the active surface in the recess, wherein the MEMS device is covered by a first cover, the first cover comprises a cavity, and the MEMS device is in the cavity; disposing a sealant at a peripheral gap between the chip and the first cover so as to seal the cavity; disposing a glass frit on a second cover or the base; disposing the second cover on the base, wherein the second cover covers the recess, and the glass frit is disposed between the base and the second cover; and heating the glass frit so as to seal the recess.