Bonded optical disk with internal abutting structure to control spacing of bonded halves and thickness of bond layer

In a bonded optical disk comprising two base disks which are bonded together by UV-setting adhesive, one or two of the base disks are provided with a projection located inside the adhesive application starting position in order to maintain the distance between bonded surfaces of the base disks at a...

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Bibliographische Detailangaben
Hauptverfasser:	KAKINUMA, KEIJI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PERFORMING OPERATIONS PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	In a bonded optical disk comprising two base disks which are bonded together by UV-setting adhesive, one or two of the base disks are provided with a projection located inside the adhesive application starting position in order to maintain the distance between bonded surfaces of the base disks at a predetermined thickness for the adhesive layer. A mold for molding above base disks is also provided. The thickness of the UV-setting adhesive is easily held at a predetermined thickness by the projection located inside the starting position. Therefore steady mass production of bonded optical disks with uniform adhesive layer thickness is made possible with easier management of the adhesive layer thickness.