US 2024/0413604 A1Published application

Sintered body, sputtering target, film, quantum cascade laser, and method of film formation

AssigneeHamamatsu Photonics K.K.

InventorsAtsushi SUGIYAMA, Akio ITO, Tadataka EDAMURA

Life of this patent

Estimating the term…

A sintered body of the present invention includes cerium oxide and cerium fluoride or yttrium fluoride.

Dependent claims

A sintered body comprising (i) cerium oxide and cerium fluoride, or (ii) cerium oxide and yttrium fluoride.

Dependencies are inferred from the claim text.

H01J 37/3429
Material: plural materials
H01S 5/0287
Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers: facet reflectivity
G02B 1/113
Anti-reflection coatings: using inorganic layer materials only
H01S 5/166
Window-type lasers, i.e. with a region of non-absorbing material between the active region and the reflecting surface: with window regions…

From the US filing history. Foreign family members aren’t listed.

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