| 摘要 |
<p>PURPOSE:To obtain an optical card of an exact size and to prevent adhesion of decomposed matter to a cutting part by holding a work size laminate with a stage having a card size shape and a pressing jig and subjecting this laminate to laser beam cutting. CONSTITUTION:The laminated sheet 1 of the size larger than the card size is formed by successively laminating an optical recording layer, adhesive layer and supporting substrate on the preformat of a transparent substrate. The laminated sheet 1 of the work size is held by the stage 4 having the card size shape at the contact surface with the laminated sheet 1 and the pressing jig 2 and is subjected in this state to laser beam cutting. Further, the side faces of the stage 4 and the pressing jig 2 are provided with plural pieces of suction ports or liquid outflow holes 3 to allow an incombustible, inert and high boiling liquid to flow out of these holes. As a result, the decomposed matter generated at the time of cutting the optical card is completely removed and the adhesion of the decomposed mater to the cut part on the outside periphery of the optical card after the cutting is prevented. Cleaning of the outer peripheral part after the cutting is thus omitted.</p> |
