Vapor plating apparatus including rotatable substrate support

Claim 1

APPARATUS FOR VAPOR PLATING A PLURALITY OF ARTICLES COMPRISING THE COMBINATION OF A SEALED CHAMBER, A ROTATABLY MOUNTED SUPPORT HAVING A GENERALLY VERTICAL AXIS, AN ELECTRICALLY CONDUCTIVE ARTICLE SUSCEPTOR MOUNTED ON SAID SUPPORT FOR CARRYING A PLURALITY OF ARTICLES IN A GENERALLY CIRCULAR PATH, SAID CHAMBER HAVING A LOWER PORTION CONNECTED TO A LARGER UPPER PORTION BY A FRUSTO-CONICAL PORTION SAID SUSCEPTOR HAVING AN INWARDLY AND UPWARDLY FACING FRUSTO-CONICAL ARTICLE SUPPORTING PORTION INCLUDING ARTICLE ENGAGING RECESSES, WHEREBY SAID ARTICLES ARE SUPPORTED IN A MANNER TO RESIST THE EFFECTS OF CENTRIFUGAL FORCES DEVELOPED UPON ROTATION OF SAID SUSCEPTOR, SAID FRUSTO-CONICAL PORTION OF THE SUSCEPTOR BEING POSITIONED ADJACENT TO GENERALLY PARALLEL TO THE FRUSTO-CONICAL PORTION OF SAID CHAMBER, AN INDUCTION HEATING COIL HAVING A PLURALITY OF TURNS ARRANGED IN FRUSTO-CONICAL FORM AND POSITIONED OUTSIDE OF SAID CHAMBER AND ADJACENT TO AND GENERALLY PARALLEL TO SAID FRUSTO-CONICAL PORTION OF SAID CHAMBER, MEANS FOR ROTATING SAID SUPPORT, AND A VAPOR OUTLET IN SAID CHAMBER POSITIONED FOR DIRECTING VAPOR OVER ARTICLES ON SAID SUSCEPTOR.