Electronic Film
GH electronic film is a transparent polyester film with good dimensional stability coated with silver salt emulsion.
Electronic Film
Electronic Film, PCB Film, Silver Halide Film, Photo Film, Imaging Film, Circuit Board Film, Dry Film Exposure, Polyester Film, Phototool, Precision Printing Film
The Electronic Film is a high-precision, transparent polyester-based film coated with a silver halide photosensitive emulsion. It is primarily used in the exposure and imaging process of printed circuit board (PCB) manufacturing, including solder mask, circuit patterning, and legend printing.
This film provides excellent dimensional stability, sharp image resolution, and consistent performance, making it an ideal choice for precision electronic imaging and dry film processing.
Technical Specifications
| Parameter | Specification |
|---|---|
| Material Type | Polyester (PET) film coated with silver halide emulsion |
| Color / Transparency | Transparent / Slight Blue Tint |
| Thickness | 100 μm (±5 μm) |
| Light Sensitivity | 350–450 nm (UV-sensitive) |
| Dimensional Stability | ≤ 0.03% (23°C, 60% RH) |
| Resolution | Up to 10,000 dpi |
| Surface Type | Glossy / Matte (optional) |
| Processing Type | Dry film exposure / Photo image transfer |
| Application Fields | PCB manufacturing, Solder mask imaging, Circuit layer transfer, Text blocking |
| Storage Conditions | 15–25°C, RH < 60%, Avoid direct light |
Key Features
- High Dimensional Stability ：Maintains accurate alignment and minimal shrinkage during exposure and development, ensuring reliable circuit imaging.
- Excellent Image Resolution ：Supports fine-line patterning with clear edges and uniform density, suitable for high-density PCB layouts.
- Superior Coating Uniformity ：Silver halide emulsion ensures even light sensitivity and consistent photographic performance.
- Good Handling & Flatness ：PET base offers rigidity and flexibility, reducing curling and deformation in the printing process.
- Long Storage Life ：Stable material properties allow extended shelf life under proper storage conditions.
Recommended Applications
The Electronic Film is widely used in:
PCB manufacturing – photo imaging for inner/outer layers
Solder mask and legend printing for high-precision boards
Dry film exposure processes in electronics and semiconductor industries
Phototool creation for screen printing, FPC, and IC substrates
Optical imaging and micro-patterning applications
Frequently Asked Questions
What light source is suitable for this electronic film?
It is sensitive to UV light (350–450 nm), compatible with metal halide, LED, and mercury lamp exposure systems.
Can this film be reused after exposure?
No, it is a single-use photosensitive film, designed for one exposure cycle to ensure maximum precision and clarity.
How should the film be stored to maintain quality?
Store in a cool, dry, and dark environment (15–25°C, RH < 60%), and avoid direct sunlight or strong UV exposure.
What is the typical resolution performance?
The film supports up to 10,000 dpi resolution, ideal for fine-pitch PCB circuits and high-precision imaging requirements.
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