| 摘要 |
PROBLEM TO BE SOLVED: To produce a two layer type optical disk with high accuracy by subjecting a pair of optical disks to deforming the treatment and bonding the same with a UV curing type adhesive which is subjected to viscosity management. SOLUTION: This apparatus has a heating tank 21 which removes the air bubbles intruding into the supplied UV curing type adhesive 4 by holding the UV curing type adhesive for a prescribed time in the state of heating the adhesive to a prescribed temperature, temperature control tanks 22 and 23 by which temperature conditions are controlled in accordance with the viscosity/ temperature conditions at the time of use of the UV curing type adhesive 4 supplied from this heating tank 21 and a controller 24 which controls a heating means 31 of the heating tank 21 and heating and cooling means 33 and 35 of the temperature control tanks 22 and 23. After the air bubbles are removed from the UV curing type adhesive 4 in the heating tank 21, the UV curing type adhesive is supplied to the temperature control tanks 22 and 23 and is supplied to a coating mechanism in the state of maintaining the adhesive at the prescribed viscosity and is applied to the optical disks.
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