Patent ID: 7311272
Filing Date: 2007-12-25
Classification: B41J

Abstract:
1. A thin plate stacked structure comprising a plurality of thin plates which are stacked with an adhesive, the plurality of thin plates including at least one liquid flow passage thin plate provided with a liquid flow passage having a predetermined pattern formed on at least one surface, the stacked structure further comprising: a release groove which is formed on the liquid flow passage thin plate and which releases the adhesive; an air release hole which is bored through a thin plate stack stacked on the liquid flow passage thin plate, which is communicated with the release groove, and which penetrates in a stacking direction; and an opening which is formed on the thin plate disposed at an outermost layer of the thin plate stack and which allows the air release hole to be open to the outside, wherein: at least one portion of the release groove, which is disposed in the vicinity of the air release hole, has a width which is wider than those of other portions of the release groove to form an adhesive pool.