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Rapid Online - Rapid Electronics Ltd.£3.68Visit shop Bungard 120306E33 FR4 Photo Resist PCB Single Sided 160mm x 100mm ...
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This Bungard FR4 PCB is designed for professionals and hobbyists creating prototypes and small production runs of circuit boards. Its key benefit lies in its high-quality, photo-coated surface which allows for precise pattern transfer with sharp contrast and short processing times. A potential caveat to consider is the need for specific photo resist processing techniques.
| Model Part Number | 120306E33 |
|---|---|
| Brand | Bungard |
FR4 is a glass-reinforced epoxy laminate material that is widely used as the dielectric substrate in printed circuit boards due to its excellent electrical insulating properties, mechanical strength, and flame retardancy.
Photo resist is a light-sensitive material applied to the copper surface. It hardens when exposed to UV light (positive resist) or remains soluble where exposed (negative resist). This allows precise patterns to be transferred to the copper before etching.
FR4 is generally suitable for many RF applications, but for very high frequencies or demanding RF performance, specialized PCB materials like Rogers or Teflon may be more appropriate due to their lower dielectric loss.
The dimensions of this specific Bungard PCB are 160mm x 100mm, with a thickness of 1.5mm.
This is a single-sided PCB, meaning it has copper cladding on only one side.
The base material conforms to the international standard IPC 4101 A.
Store unused PCBs in a cool, dry place, away from direct sunlight and moisture, to maintain the quality of the photo resist coating.
Verify UV light source intensity and exposure time. Ensure the transparency mask is in direct contact with the photo resist and that the mask is correctly oriented.
Check the concentration and temperature of the etching solution. Ensure the board is fully immersed and that the etchant is not exhausted. Agitation can improve etching uniformity.
Carefully inspect the board under magnification for any unintended bridges of copper or breaks in traces. Re-etching or touch-up might be necessary. Review the exposure and developing steps for potential errors.
Ensure the PCB surface was clean and free of oils before exposure. Check that the developer solution is at the correct concentration and temperature.
Setup: This PCB serves as a base material for creating custom circuit boards. Setup involves designing your circuit layout, preparing a transparency mask of your design, exposing the photo resist-coated side of the PCB to UV light through the mask, developing the exposed resist, etching the unwanted copper, and finally stripping any remaining resist.
Compatibility: The base material conforms to IPC 4101 A standards, ensuring broad compatibility with standard electronic components and manufacturing processes. It is compatible with common etching solutions and UV exposure equipment.
Care: Store the PCB in a cool, dry place away from direct sunlight to preserve the integrity of the photo resist coating. Handle with clean hands or gloves to avoid contamination. After etching, clean the board thoroughly with appropriate solvents to remove any residual chemicals before component assembly.
