Semiconductor Business

High-purity metals
High-purity metals
High purity gallium is produced through separation and refinement in the zinc refining process. This unique method developed by DOWA has enabled us to achieve the top market share in the world.
Gallium Arsenide Wafer
Gallium Arsenide Wafer
The inductive GaAs wafers produced by the VGF growth method are widely used in LD and high brightness LED for their carrier high-precision density control and low EPD.
Gallium Nitride HEMT Epiwafer
Gallium Nitride HEMT Epiwafer
We are engaged in the development and manufacturing of HEMT Epiwafers and AIN templates.
LED
LED
For infrared communications achieving both the world's highest level output and high-speed response to red LED for plastic optical fibre.
Ultraviolet LED
Ultraviolet LED
Short wave length of 350nm or less and high output are achieved concurrently by means of our innovative proprietary technology.

Electronics Materials Business

[Conductive material] Silver powder
[Conductive material]
Silver powder
This product has attained a high reputation for its excellent production reproducibility and low lot irregularity.
[Conductive material] Copper powder
[Conductive material]
Copper powder
This product is mainly used for external electrodes of laminated ceramic condensers.
[Conductive material] Silver Nano Powder
[Conductive material]
Silver Nano Powder
We are currently developing silver nano powder as a new field.
[Conductive material] Atomized powder
[Conductive material]
Atomized powder
We are currently developing atomized powder as a new field. Metal powder of micron size is available through the atomization manufacturing method.
[Conductive material] Silver oxide
[Conductive material]
Silver oxide
We supply 70% of the world's market share of this silver oxide for button batteries used in wrist watches and so on.

Advanced Fine Materials Business

Metal powder
Metal powder
This product commands an overwhelming 90% share of the world's market in the field of magnetic metal powder used for large-capacity magnetic recording media.
Carrier powder
Carrier powder
Noteworthy achievements of this include such features as high speed, high picture quality, and high durability, which are required for the carrier powder for electro-photographic printers.
Ferrite powder
Ferrite powder
Our hard ferrite powder for bonded magnets boasts the top share in the world market.
Reduced iron powder
Reduced iron powder
Various functions are available from “iron” that is used in a variety of industrial fields.
FeCo nano powder
FeCo nano powder
We are developing FeCo nano powder as a new field. Its size and shape enable control of high frequency properties.
Magnetic decontamination reagent
Magnetic decontamination reagent
We are developing a magnetic decontamination reagent as a new field. The radiodensity in fly ash is reduced by about 85% through washing by stirring for 3 to 6 hours.
Perovskite-type complex oxide powder
Perovskite-type complex oxide powder
We are developing complex oxide powder as a new field. The variety of oxides can be used for electrodes and electrolytes.


Material products that support daily life