Patent ID: 11947321
Assignee: BEIJING VACUUM ELECTONICS RESEARCH INSTITUTE
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. A method for preparing the mold assembly according to claim 1, comprising the following steps:
S1, forming a mold isolator on a silicon substrate, and a silicon substrate central portion formed by an area enclosed by the mold isolator;
S2, forming a plurality of wax packet receiving cavities on the silicon substrate central portion, and thus forming a cavity isolator between adjacent wax packet receiving cavities;
S3, forming corrosion release holes in the mold isolator;
S4, forming a release sacrificial layer on the upper surface of the silicon substrate; and
S5, forming a paraffin layer on the upper surface of the release sacrificial layer away from the silicon substrate, and providing cavities for receiving alkali metal on a side of the paraffin layer away from the sacrificial release layer.