Patent ID: 9636780
Date: 2017-05-02
CPC Classifications: B23K,C03B,C04B

Claim:
1. A method, comprising: providing a first piece, which has a first surface, providing a second piece, which has a second surface, pressing the first piece and the second piece together by using a pressing organ such that binding is achieved between the first surface and the second surface, wherein the first surface and the second surface form a common boundary; removing the pressing organ, and welding the first piece and the second piece together by focusing a laser beam to the common boundary through the first piece, wherein the pressing organ is removed before said welding, the first piece and the second piece are moved in relation to the laser beam so that a focal point of the laser beam advances in the common boundary, and an energy of the focal point of the laser beam melts material of the first piece and the second piece at the same time so as to form a weld, which joins hermetically the first piece and the second piece.