Back to results
US 2020/0010977 A1Published application
Calcium fluoride member, method for producing same, and method for pressure-bonding calcium fluoride crystal
AssigneeNikon Corporation
InventorsNaoyasu UEHARA, Minako AZUMI, Shitoka SUZUKI
Life of this patent
Estimating the term…
Abstract
The calcium fluoride member includes a first member made from monocrystalline calcium fluoride and a second member made from monocrystalline or polycrystalline calcium fluoride. The first member and the second member is pressure-bonded together to form the calcium fluoride member.
Claims7
A calcium fluoride member, comprising:
- a first member made from monocrystalline calcium fluoride;
- and
- a second member made from monocrystalline or polycrystalline calcium fluoride,
- the first member and the second member being pressure-bonded together to form the calcium fluoride member.
1 more element
Dependencies are inferred from the claim text.