CIGS FORMING METHOD FOR THIN FILM USING CBD FORMING APPARATUS FOR THIN FILM AND MANUFACTURING METHOD FOR CIGS SOLAR CELL

摘要

The present invention relates to a thin film forming apparatus which has a simple configuration and can accurately check the thickness of a thin film solution-grown by using relatively inexpensive equipment. The thin film forming apparatus comprises: a reactor filled with a solution containing a raw material for forming a thin film; two probes having one ends immersed in the solution and spaced apart; and a meter connected to the probes to measure the resistance between the probes. A change in the resistance by the thin film formed on the surfaces of the probes immersed in the solution allows the thickness of the thin film formed on the surface of a substrate in the reactor to be measured in real time. The present invention solves a problem that it is difficult to control the thickness of the thin film, which is a disadvantage of chemical bath deposition, by adding simple and inexpensive equipment, thereby increasing the efficiency of the product even with a quick and inexpensive chemical bath deposition method and growing the thin film to an optimal thickness. Further, it is not only easy for the probes for thickness measurement to be reused in the equipment of the present invention, but also the equipment can be used for a long time, thereby lowering the costs of equipment manufacture and management.