Patent ID: 11929341
Assignee: ALPHA ASSEMBLY SOLUTIONS INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  B | IPC B  H

Claim 0:
1. A method of forming a joint between two or more work pieces, the method comprising:
providing two or more work pieces to be joined,
providing a sintering paste in the vicinity of the two or more work pieces, the sintering paste comprising a sintering powder comprising copper particles, wherein the particles are at least partially coated with a capping agent, the particles exhibit a D10 of greater than or equal to 100 nm and a D90 of less than or equal to 2000 nm, the sintering powder comprises up to 1 wt. % of the capping agent, and the capping agent comprises triethanolamine,
drying the sintering paste, and
heating the sintering paste to at least partially sinter the copper, wherein the sintering paste is screen-printed onto one or more of the work pieces to be joined to form a screen-printed pattern, and solder is applied to the screen-printed pattern.