Patent ID: 7832086

Claim:
An alignment jig comprising: a base jig, a mask being directly bonded on the base jig, a spacer jig being directly bonded on the mask, wherein an optical system is provided at an opposite side of the mask with respect to the base jig, wherein the mask is made of glass, and a plane of a spacer jig side of the mask being provided with a reference mark for being aligned with an alignment mark to overlap the alignment mark, the alignment mark being provided on a nozzle plate which is provided with nozzle orifices for ejecting liquid of a liquid-jet head, wherein the spacer jig is configured to hold a fixing member that abuts and holds a portion of a surface of the nozzle plate where the ejected liquid is output through the nozzle orifices, and wherein the alignment jig is used for aligning the nozzle plate of the liquid-jet head with the fixing member.