US 12,220,891 B2
Hot-pressing member with improved focus of pressing and longevity and hot-pressing device
Fei-Fan Yu, Shenzhen (CN)
Assigned to TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD., Shenzhen (CN)
Filed by TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD., Shenzhen (CN)
Filed on Mar. 25, 2022, as Appl. No. 17/704,295.
Claims priority of application No. 202111210345.6 (CN), filed on Oct. 18, 2021.
Prior Publication US 2023/0123108 A1, Apr. 20, 2023
Int. Cl. B30B 15/06 (2006.01); H01L 23/00 (2006.01)
CPC B30B 15/061 (2013.01) [B30B 15/064 (2013.01); H01L 24/75 (2013.01); H01L 2224/7555 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A hot-pressing member comprising:
a base comprising a cavity;
a first supporting member received in the cavity, the first supporting member comprising a first through hole;
a buffer member comprising a second through hole, the first supporting member comprising a surface close to the buffer member, and a portion of the surface surrounding the first supporting member being recessed inwardly to form a concave portion, the buffer member received in the concave portion; and
a second supporting member mounted on the buffer member, the second supporting member used to support a workpiece having an adhesive film, the second supporting member comprising a third through hole, the second through hole communicating with the first through hole and the third through hole, thereby allowing a portion of the workpiece to pass through the third through hole, the second through hole, and a portion of the first through hole, to hot-press the adhesive film in the workpiece;
wherein the concave portion comprises a first inner wall and a second inner wall facing the first inner wall, the first inner wall is near the first through hole, the concave portion comprises the bottom wall, both the first inner wall and the second inner wall are inclined to the bottom wall, along a direction from the buffer member to the second supporting member, a distance between the first inner wall and the second inner wall decreases.