Patent ID: 9299862
Filing Date: 2016-03-29
CPC Classification: G01J,H01L

Claim Text:
1. A device packaging method, comprising: providing a cavity base and a cover, and placing a sensing element on bottom of the cavity base; placing a sealant between the cover and an edge part of the cavity base, and then covering the cover on the cavity base; providing a plurality of getters, and placing a part of the plurality of getters near the edge part, and another part of the plurality of getters apart from the edge part; irradiating a laser on the edge part of the cavity base to melt the sealant for bonding the cover and the edge part, when the laser is irradiated on the edge part, only the getters near the edge part are heated and activated; and enabling a sealed space formed between the cover and the cavity base to be in vacuum.