CHAMBER SLEEVE FOR 4 INCH AND 6 INCH REACTOR. MADE OF QUARTZ. FITS INTO THE CHAMBER STRUCTURE WHICH ENCLOSES THE HEATER AND SHOWERHEAD WHERE THE GROWTH OF THE FILM ON THE WAFER TAKES PLACE. IT PROTECTS THE CHAMBER FROM GETTING COATED. SPECIFICALLY SHAPED AND CARRIES OUT A SPECIFIC FUNCTION WITHIN THE MACHINE AND CAN ONLY BE USED WITHIN THIS MACHINE. USED IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8486 - MACHINES AND APPARATUS OF A KIND USED SOLELY OR PRINCIPALLY FOR THE MANUFACTURE OF SEMICONDUCTOR BOULES OR WAFERS, SEMICONDUCTOR DEVICES, ELECTRONIC INTEGRATED CIRCUITS OR FLAT PANEL DISPLAYS; MACHINES AND APPARATUS SPECIFIED IN NOTE 9(C) TO THIS CHAPTER; PARTS AND ACCESSORIES GIR6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 848690 - PARTS AND ACCESSORIES. CN CODE 84869090 - OTHER THAN ELSEWHERE SPECIFIED WITHIN THIS SUBHEADING.