Patent ID: 11904351
Assignee: LANTO ELECTRONIC LIMITED
Field: Basic materials chemistry (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 4:
5. The method for manufacturing a product with a protective coating according to claim 2, wherein the step of applying the first precursor dispersion to the product body and the step of applying the second precursor dispersion to the first dried layer to cover the first dried layer are performed by spraying the first precursor dispersion to the product body, spraying the first precursor after turning over the product body, spraying the second precursor dispersion, and spraying the second precursor dispersion after turning over the product body,
wherein the step of drying the applied first precursor dispersion to form a first dried layer is performed at a temperature of 70 to 90° C. for 1 to 10 minutes after spraying; the step of drying the applied second precursor dispersion to form the second dried layer is performed at a temperature of 70 to 90° C. for 1 to 10 minutes after brushing.