The surface of the Winbond chip contains the following types of silk screen printing:

1. Company logo: Winbond’s trademark or logo, used to identify the manufacturer of the product.

2. Chip model: Indicate the specific model of the chip to distinguish different products and specifications.

3. Batch information: including batch code, production date, serial number, etc., used to trace and manage the production process.

4. Chip parameters: There will be some electrical characteristics, authorization marks, certification marks, etc., used to indicate the function and performance of the chip. Specific screen printing type and location vary by product model, package type and batch.