MANUFACTURE OF HIGH MOLECULAR SUBSTRATE HAVING FLOW CHANNEL

PURPOSE:To enable a high molecular substrate having a complicated ad micro flow channel pattern to be formed by forming a pattern of photomask using a flow channel pattern molding die. CONSTITUTION:A resist layer is applied or stuck in a thickness corresponding to the depth of a flow channel groove...

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Bibliographische Detailangaben
Hauptverfasser:	KANAI MASAO, KIMURA SATOYOSHI, ASAI KOSUKE
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STAMPS TRANSPORTING TYPEWRITERS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To enable a high molecular substrate having a complicated ad micro flow channel pattern to be formed by forming a pattern of photomask using a flow channel pattern molding die. CONSTITUTION:A resist layer is applied or stuck in a thickness corresponding to the depth of a flow channel groove 2 on a base 7 such as a smooth glass sheet. Further a photomask 5 is overlaid on said layer and then is irradiated using an ultraviolet ray. Next, after striping off the photomask 5, the unreacted portion of a photoresist layer 6 is removed with a solvent, thus preparing a master. After this process, the master is coated with a nickel layer approx. 0.1mu thick for electroconduction, and then is covered with a metal film (metal plate) such as nickel using an electroforming technique. Next the master is peeled off the metal plate. A high molecular substrate with a flow channel groove is injection-molded using a partially machined molding die made up of a metal plate 11 and a convex part 10.