Patent ID: 6775958
Filing Date: 2004-08-17
Classification: B65B,H01L

Abstract:
A package sealing method comprising the following steps of:providing a case which houses a product and has an opening surface and a through hole provided in a wall of the case, and a lid that covers the opening surface, which is made of a material that is transparent to a laser beam having a predetermined wavelength; interposing a bonding member between the case and the lid; fixing the lid and the case to each other by vacuum suction using the through hole; irradiating the bonding member with said laser beam through the lid so that the bonding member is melted to bond the case and the lid to each other with intervention of the bonding member; arranging a metal in the through hole; irradiating the metal with a laser beam so that the metal is melted to seal the through hole with the molten metal.