LOADLOCK CONTROL PRINTED CIRCUIT BOARD.THIS PCB IS USED TO CONTROL THE OPERATION OF THE VACUUM LOADLOCK USED IN THE MANUFACTURING PROCESS OF SEMICONDUCTOR WAFERS. THE CONTROL PCB IS OPERATED BY REFERENCE TO THE INPUTS FROM THE MAIN SOFTWARE CONTROL FOR THE WHOLE SYSTEM.THE PRINTED CIRCUIT BOARD IS INSTALLED IN THE LOADLOCK MODULE AND IS NOT PROGRAMMABLE.

THE CLASSIFICATION IS DETERMINED ACCORDING TO GIRS 1 AND 6. CN CODE 85389091 PARTS SUITABLE FOR USE SOLEY OR PRINCIPALLY WITH THE APPARATUS OF HEADING 8535,8536 OR 8537- OTHER- ELECTRONIC ASSEMBLIES.NOTE 2(A) TO SECTION XVII AND NOTE 1(D) TO CHAPTER 84.