The density of the electrical components on the PCB circuit board is high, and the residual separation on the surface will cause the possibility of separation migration, resulting in open circuit, short circuit and other phenomena. If there is acid residue on the surface of the circuit board, it wil…
Electronic grade phosphoric acid belongs to high-purity phosphoric acid and is a widely used ultra-high purity chemical reagent in the electronics industry. It is mainly used for wet cleaning and wet etching of chips, including cleaning before substrate coating, etching and final debonding during ph…
Photoresist, also known as photoresist, refers to a corrosion-resistant film material that undergoes changes in solubility due to irradiation or radiation by ultraviolet light, electron beam , ion beam, X-ray, etc. Photoresist is composed of sensitizers (photoinitiat…
