Trend Tone Imaging, Inc.

Industrial Technology Research Institute

Chien-Sheng Huang

Jui-Fa Chang

Yi-Ling Liu

I-Jein Cheng

Ju-Feng Liao

Kuo-Tong Huang

Kuei-Ying Chiu

Lee-Ching Kuo

Chorng-Jye Huang

Cheng-Ting Chen

The present invention relates to a chemical toner composition and a method for preparing the same. The chemical toner composition includes: a resin emulsion; a pigment dispersion; a wax dispersion; and a dispersible polymer coagulant, wherein the dispersible polymer coagulant is a copolymer comprising unsaturated ester monomers and amino-containing monomers. Accordingly, the present invention uses a novel dispersible polymer coagulant to prepare uniform toner particles with excellent roundness and improved flowability and to reduce moisture absorption.

Chemical toner composition and method for preparing the same

This invention discloses a novel method for fabricating solar cells. Using the existing screen-printing, masking or photolithography techniques, a P-type or N-type diffusion source is coated on the sites of an N-type or P-type silicon wafer desired for forming electrodes. Then, a low dose P-type or N-type diffusion source is in situ diffused into the N-type or P-type silicon wafer together with the P-type or N-type diffusion source coated on the N-type or P-type silicon wafer in the furnace. Thereafter, a P,/P,or N,/N,diffusion region is formed within the N-type or P-type silicon wafer. Finally, electrodes aligned to the P,or N,diffusion region are formed by means of screen-printing. Then, a solar cell with high photocurrent and low series resistance can be obtained.

Method for fabricating solar cells

Growing community of inventors

Hsinchu, Taiwan

Chien-Sheng Huang