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PCB dry film is a light-sensitive polymer film used in the manufacturing of printed circuit boards (PCBs). It is typically made from a photosensitive resin that hardens when exposed to ultraviolet (UV) light. This film is applied to the surface of the PCB substrate, allowing for the creation of intricate circuit patterns through a photolithography process. Dry film is known for its excellent resolution and ability to produce fine features on PCBs.
| Thickness | 10 to 100 microns |
| Photo sensitivity | UV light sensitive |
| Adhesion | Strong adhesion to various substrates |
| Resolution | Up to 25 microns |
| Temperature resistance | Up to 120°C |
When selecting PCB dry film, consider the required thickness and resolution based on your PCB design specifications. It's also important to specify the adhesion properties needed for your substrate material. Buyers should inquire about the photo sensitivity and temperature resistance to ensure compatibility with their manufacturing processes. Additionally, consider the quantity needed, as bulk orders may influence pricing and availability.
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It is used for creating circuit patterns on printed circuit boards.
It is applied to the PCB substrate and exposed to UV light to create patterns.
Typical thickness ranges from 10 to 100 microns.
It adheres well to various substrates, but compatibility should be verified.
PCB dry film can typically withstand temperatures up to 120°C.
The environmental impact depends on the specific formulation and disposal methods.