Manufacturing process for production of optical substrates involves heating first and second materials and adhering them together, followed by rolling, cooling and cutting surface profiles

The optical substrate (54) may be made of two or three layers of plastics heated and rolled together. The substrate is then cooled and the top and bottom surfaces may be cut to shape. A toothed profile (64) may be formed. The first (56), second (58) and third (60) plastics layers may be loaded into...

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Bibliographische Detailangaben
Hauptverfasser:	LIAO, TSUNG-NENG, LEE, CHUNI, PAN, FRANCIS CHUNG HWA, PAN, JOHN CHUNGTEH
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS 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 STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The optical substrate (54) may be made of two or three layers of plastics heated and rolled together. The substrate is then cooled and the top and bottom surfaces may be cut to shape. A toothed profile (64) may be formed. The first (56), second (58) and third (60) plastics layers may be loaded into a mold as granules before heating. They may be fused together as a molten mass and then may be compacted by being passed through calendar rolls with textured surfaces. The first layer may contain particles (62) which remain as a separate phase during manufacture. Ein Verfahren zur Herstellung eines optischen Substrats weist die Schritte auf: Erhitzen eines ersten Materials und eines zweiten Materials auf ihre Schmelz-Bedingungen; Stapeln des ersten Materials und des zweiten Materials; Walzen eines Stapels des ersten Materials und des zweiten Materials und Formen eines Oberflächen-Profils auf dem zweiten Material durch einen Walzen-Kalander mit einer abgebildeten Textur, um ein Substrat mit einer Oberfläche darauf zu formen; Kühlen und Schneiden des Substrats.