US Patent No: 5,079,643

Number of patents in Portfolio can not be more than 2000

Ultra-black film and method of manufacturing the same

Stats

ATTORNEY / AGENT: (SPONSORED)
 

Importance

Loading Importance Indicators... loading....

Abstract

An ultra-black film is disclosed, which essentially consists of a base, a Ni-P alloy layer formed on said base and a phosphate layer formed on said Ni-P layer, the spectral reflectance of said ultra-black film being 0.04 to 0.4%. The invention provides a no reflection optical terminator comprising a cap having a recessed formed in one end surface and containing an ultra-black film on the surface of said recess.

Loading the Abstract Image... loading....

First Claim

Related Publications

Loading Related Publications... loading....

Patent Owner(s)

Patent OwnerAddressTotal Patents
ANRITSU CORPORATIONTOKYO337

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Horiuti, Masao Tokyo, JP 6 19
Kodama, Shunichi Tokyo, JP 7 19
Kuroda, Kenji Osaka, JP 20 251

Cited Art

Patent Info (Count) # Cites Year
 
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF COMMERCE (2)
4,233,107 Ultra-black coating due to surface morphology 16 1979
4,361,630 Ultra-black coating due to surface morphology 15 1981
 
BALL AEROSPACE & TECHNOLOGIES CORP. (1)
4,511,614 Substrate having high absorptance and emittance black electroless nickel coating and a process for producing the same 18 1983
 
UNITED TECHNOLOGIES CORPORATION (1)
4,209,008 Photon absorbing surfaces and methods for producing the same 33 1977

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
FURUKAWA ELECTRIC NORTH AMERICA, INC. (2)
5,619,610 Optical terminator 22 1995
5,818,992 Thermo-plastic optical terminator having a glass-transition temperature greater than 80.degree. C. 4 1997