Pressing printed circuit laminates - energy is saved by moving cured material to separate press for cooling

Laminated sheets, pref. non-decorative, are produced under heat and pressure in daylight presses. The pressing stages of heating/curing/cooling are divided into separate steps by heating/curing and cooling in separate presses; the material is thus transferred from a hot press to a separate cold pres...

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Bibliographische Detailangaben
Hauptverfasser:	SCHIFFER,CHRISTOPH, STREEK,REINER, FASBENDER,HELMUT,DR
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORMING OPERATIONS PRINTED CIRCUITS 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:	Laminated sheets, pref. non-decorative, are produced under heat and pressure in daylight presses. The pressing stages of heating/curing/cooling are divided into separate steps by heating/curing and cooling in separate presses; the material is thus transferred from a hot press to a separate cold press. Particularly suitable process for printed circuit laminates bare or copper-clad e.g. phenolic or epoxide-paper types, saves energy and time, improved punching properties and reduced shrinkage of laminates.