Patent ID: 11890718
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 10:
11. A method of using a tray assembly of a chemical mechanical polishing (CMP) system, the method comprising,
providing a first tray having a first top surface and a first bottom surface opposite the first top surface, the first tray having a first joint part on the first bottom surface;
providing a second tray having a second top surface and a second bottom surface opposite the second top surface, the second top surface of the second tray facing the first bottom surface of the first tray, the second tray having a second joint part on the second top surface, the second tray including a collection region;
reversibly attaching the second tray to the first tray by slidably inserting the first joint part of the first tray into the second joint part of the second tray such that the first and second joint parts cooperate with each other to secure the first tray to the second tray;
providing a plurality of first fasteners positioned at selected locations of the first tray; and
securing the first tray to the second tray using the plurality of first fasteners, at least one of the plurality of first fasteners positioned adjacent to the first joint part of the first tray, the first joint part being a male dovetail and the second joint part being a female dovetail.