Patent ID: 7007733

Claim:
An apparatus for manufacturing a collimator by attaching a glass tube assembly including a pigtail having a fiber and a GRIN lens coaxially arranged with the pigtail to a sleeve having a tube shape, comprising: a supporting part; a sleeve grip part connected to the supporting part and having at least one holder holding and supporting the sleeve therein; a fiber chucking part disposed above the sleeve grip part and chucking the fiber of the glass tube assembly by specified distances; and a lift unit lifting and lowering the fiber chucking part so as to control the glass tube assembly inserted in the metal sleeve to move in first and second direction a longitudinal direction of the metal sleeve, wherein the sleeve grip part comprises: a fixed block formed with the holder recessed along a lengthwise direction thereof; and a movable block having one end rotatably coupled to one end of the fixed block and the other end removably coupled to the other end of the fixed block to hold the metal sleeve in the holder.