Patent ID: 11947275
Assignee: CANON KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 15:
16. The electrophotographic apparatus according to claim 12,
wherein the charge generating layer contains a hydroxygallium phthalocyanine pigment,
wherein the hydroxygallium phthalocyanine pigment
includes a crystal particle which has a crystal form showing peaks at Bragg angles 2θ of 7.4°±0.3° and 28.2°±0.3° in an X-ray diffraction spectrum using a CuKα ray, and
has a peak B in a range of from 20 to 50 nm in a crystal particle size distribution measured using small-angle X-ray scattering, and

wherein the peak B has a half width of 50 nm or less.