Title:
Exposure index device
Document Type and Number:
Japanese Patent JP5943605
Kind Code:
B2
Abstract:
An exposure indicating device disposed in a respirator system. The exposure indicating device comprises a diffractive optical element. The exposure indicating device comprises a material having an index of refraction that changes as a function of exposure to a chemical vapor, where the exposure indicating device provides an optical signal that changes in optical property as a function of exposure to the chemical vapor.
Inventors:
Batti Art, James, M.
Paulucci, Dora, M.
Paulucci, Dora, M.
Application Number:
JP2011516437A
Publication Date:
July 05, 2016
Filing Date:
June 15, 2009
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
G01N21/41; A62B19/00; B82Y30/00; G01N21/29; G01N21/78
Domestic Patent References:
| JP10507664A | ||||
| JP2002506662A |
Other References:
Vincent K.S. Hsiao,William D. Kirkey, Fei Chen, Alexander N. Cartwright, Paras N. Prasad,and Timothy J.Bunning”Organic Solvent Vapor Detection Using Holographic Photopolymer Reflection Gratings”、ADVANCED MATERIALS、(独国)、2005年、第17巻、第18号、p.2211-2214
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshinori Shimizu
Ikeda adult
Hiroto Kido
Masato Ikeda
Yoshinori Shimizu
Ikeda adult
Hiroto Kido
Masato Ikeda