#285 Application of Photo Electroforming
Photo electroforming has been widely applied as a processing method for precision components in the field of precision electronic components. The photoresist and electrodeposition technologies are most widely utilized in the production of through-hole multilayer print circuit boards among all the electronic components.
Products utilizing the photo electroforming technology in the other field include the following: printing plates, medical equipment as blood filters, outer blades of electronic razors, filters for juicers, various optical slits, diaphragm plates for cameras, electronic microscope meshes, classification filters for analysis, copier meshes, and more. In the field of electronic components, the example include metal deposition masks for thick film IC production, vacuum deposition and sputtering masks, meshes for electron tubes, beam disks for video camera tubes, etc. The technology is applied in products requiring ultra-precision and widely utilized in the field of high technology.
An example of special application is the processed goods with a seamless structure. Specific products of this type are rotary mesh cylinders, printing plates for rotary screens, tobacco bands used in cigarette production, seamless belts for computer terminal equipment, etc.
The most notable application of photo electroforming is the production of fine meshes, micro screens, and microfilters.
You can create a fine mesh in the following steps:
1)Use the sputtering method or similar procedures to apply metal coating over non-conductive substrate metal with lattice groove. Rub off the surface metal except for the groove area. Create a product by electrodepositing metal directly over the lattice-shaped groove and separating the deposited metal.
2)Transfer the lattice pattern on a glass plate over to a resist-applied conductive substrate by light exposure. After developing the negative, perform electroforming. Separate the mandrel and create the product using deposited metal. This is an optimal way of manufacturing fine mesh products.
Photo electroforming allows you to create a fine mesh containing 400 to 800 wires per 1 cm at ±1 µm precision and a screen with tiny holes ranging from several to ten micrometers.
The thickness of electroformed metal affects the minimum hole diameter and the minimum interval between holes. In addition, the thicker the deposited metal, the smaller the holes become.
The shapes and dimensional accuracy of meshes produced by electroforming include the following: a lattice-shaped mesh containing 4 to 80 wires per 1 cm, a fine mesh containing 8,000 to 160,000 holes in 1 cm2, a mesh with different number of vertical and horizontal wires, 40 wires per cm x 80 wires per cm, for example.

- Environmental conservation
- Hot Dipping
- Anodic Oxidation Process
- Anodic oxidation treatment
- Anodizing
- Corrosion - Corrosion Protection
- Electroless Plating
- Electroplating
- Heat treating
- Hydrogen embrittlement
- Metal cleaning
- Metal etching
- Painting
- Special paints
- Surface Treatment
- Surface-treated steel sheets
- Thermal Spraying


