![The core technology of photosensitive polyimide has not yet broken through and my country's market demand relies on imports](https://www.allhdi.com/wp-content/uploads/2023/11/390-22032QJ40DV-300x193.jpg)
The core technology of photosensitive polyimide has not yet broken through, and my country’s market demand relies on imports.
Photosensitive polyimide (PSPI) is a type of organic material that has both an imine ring and a photosensitive gene in the polymer chain and has excellent properties. Photosensitive polyimide has exce…