US 12,071,604 B2
Culture vessel
Yuki Mori, Kyoto (JP); and Hiroki Fujimoto, Kyoto (JP)
Assigned to SCREEN HOLDINGS CO., LTD., Kyoto (JP)
Filed by SCREEN HOLDINGS CO., LTD., Kyoto (JP)
Filed on Jul. 22, 2021, as Appl. No. 17/383,197.
Claims priority of application No. 2020-159011 (JP), filed on Sep. 23, 2020.
Prior Publication US 2022/0089988 A1, Mar. 24, 2022
Int. Cl. C12M 1/32 (2006.01); C12M 1/00 (2006.01)
CPC C12M 23/12 (2013.01) [C12M 23/22 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A culture vessel for use in holding therein a biological sample together with a culture solution and observing said biological sample under epi-illumination, the culture vessel comprising:
one or a plurality of recesses,
wherein said one or a plurality of recesses each have:
a flat bottom surface; and
a side surface extending upward from a peripheral edge of said bottom surface, said side surface includes a rough surface, and
said rough surface has arithmetic mean roughness greater than or equal to 0.18 μm and less than or equal to 5.0 μm.