US 9,808,907 B2
Polishing clamp and polishing method using the same
Keping Cao, Beijing (CN); Feng Zhou, Beijing (CN); and Chaozong Chen, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN); and BOE OPTICAL SCIENCE AND TECHNOLOGY CO., LTD., Suzhou, Jiangsu (CN)
Appl. No. 14/906,459
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN); and BOE Optical Science and Technology Co., Ltd., Suzhou, Jiangsu (CN)
PCT Filed Aug. 19, 2015, PCT No. PCT/CN2015/087513
§ 371(c)(1), (2) Date Jan. 20, 2016,
PCT Pub. No. WO2016/107191, PCT Pub. Date Jul. 7, 2016.
Claims priority of application No. 2015 2 0002443 U (CN), filed on Jan. 4, 2015.
Prior Publication US 2016/0318150 A1, Nov. 3, 2016
Int. Cl. B24B 41/00 (2006.01); B24B 41/06 (2012.01)
CPC B24B 41/06 (2013.01) 18 Claims
OG exemplary drawing
 
1. A polishing clamp for clamping a work piece to be polished, wherein the polishing clamp includes a fixing block for fixing the work piece to be polished,
a recess is formed on an end surface of the fixing block,
the recess has the same shape as the work piece to be polished, such that the work piece to be polished is able to be embedded in the recess,
when the work piece to be polished is placed in the recess, a polished surface of the work piece to be polished is flush with the end surface of the fixing block forming the recess,
the polishing clamp further includes a pressing block which is positioned on a side of the fixing block oppositely to the recess, and
the pressing block is provided with at least one lifting member for placing and removing the pressing block.