公开(公告)号：US20210087744A1

公开(公告)日：2021-03-25

申请号：US17110767

申请日：2020-12-03

Applicant: NIDEK CO., LTD. ,  SHIZUOKA PREFECTURAL GOVERNMENT

Inventor： Minoru INUZUKA ,  Hiroyasu UETA ,  Hiroyasu ATSUMI

IPC: D06P5/20 ,  B23K26/03 ,  B23K26/082 ,  B29D11/00 ,  D06P5/28 ,  G02B1/12

Abstract: A dyeing method in which a transparent resin body having a surface applied with a dye is heated to fix the dye to the transparent resin body comprises a heating step of irradiating a laser beam having a wavelength less likely to be absorbed by the dye toward the transparent resin body applied with the dye on the surface while relatively scanning the laser beam with respect to the transparent resin body to heat a to-be-dyed region of the transparent resin body to fix the dye, wherein the laser beam is irradiation to heat by changing a laser beam irradiating condition with respect to a portion of the transparent resin body to be heated so that a heating temperature on the transparent resin body by irradiation of the laser beam is substantially equal throughout an entire area of the to-be-dyed region.

公开(公告)号：US20180127918A1

公开(公告)日：2018-05-10

申请号：US15861136

申请日：2018-01-03

Applicant: NIDEK CO., LTD. ,  SHIZUOKA PREFECTURAL GOVERNMENT

Inventor： Minoru INUZUKA ,  Hiroyasu UETA ,  Hiroyasu ATSUMI

IPC: D06P5/20 ,  G02B1/12 ,  D06P5/28 ,  B23K26/082 ,  B29D11/00 ,  B23K26/03

CPC classification number: D06P5/2005 ,  B23K26/034 ,  B23K26/082 ,  B29D11/00865 ,  D06P5/004 ,  D06P5/005 ,  D06P5/2077 ,  G02B1/12

Abstract: A dyeing method in which a transparent resin body having a surface applied with a dye is heated to fix the dye to the transparent resin body comprises a heating step of irradiating a laser beam having a wavelength less likely to be absorbed by the dye toward the transparent resin body applied with the dye on the surface while relatively scanning the laser beam with respect to the transparent resin body to heat a to-be-dyed region of the transparent resin body to fix the dye, wherein the laser beam is irradiation to heat by changing a laser beam irradiating condition with respect to a portion of the transparent resin body to be heated so that a heating temperature on the transparent resin body by irradiation of the laser beam is substantially equal throughout an entire area of the to-be-dyed region.