The influence of dithiolato nickel complexes on the light fastness of a thin layer of a near–infra–red absorbing cyanine dye

H Nakazumi

Dept of Applied Chemistry, University of Osaka Prefecture Mozu–Umemachi, Sakai, Osaka 591, Japan

E Hamada

Materials Research Dept, Central Research Institute Taiyou Yuden Co., Ltd, Haruna–Machi, Gunma–gun, Gunma 370–33, Japan

T Ishigurot

Materials Research Dept, Central Research Institute Taiyou Yuden Co., Ltd, Haruna–Machi, Gunma–gun, Gunma 370–33, Japan

H Shiozaki

Laboratory of Leather Technology, Osaka Prefectural Industrial Research Institute, Kishibe Naka, Suite 564, Japan

T Kitao

Dept of Applied Chemistry, University of Osaka Prefecture Mozu–Umemachi, Sakai, Osaka 591, Japan