Diffusion Worker (Semiconductor Device Manufacturing)
かくさんこう（はんどうたいそしせいぞう）
Industry & Occupation
Classification
Summary
A technical job responsible for the diffusion process, one of the semiconductor device manufacturing processes, performing impurity diffusion into the wafer interior to form device characteristics.
Description
Diffusion workers operate diffusion furnaces and related equipment in clean rooms, handling the process of diffusing dopants such as boron or phosphorus into silicon wafers. They precisely manage parameters like temperature, gas flow, and pressure to stabilize product quality and improve yield. They perform troubleshooting during equipment anomalies or process variations, and handle report creation and quality record management. During new process introductions or equipment updates, they are required to acquire new technical skills and work with teams to improve production efficiency.
Future Outlook
Due to the expansion of semiconductor demand, the demand for process operators remains stable, and in the future, advanced process control skills will be required with the introduction of automation technologies.
Personality Traits
Work Style
Career Path
Operator → Line Leader → Process Engineer → Process Development Engineer → Equipment Development Engineer
Required Skills
Compliance with Clean Room Work Procedures / Diffusion Furnace Operation / Equipment Inspection and Maintenance / Process Parameter Management / Quality Record Management
Recommended Skills
Basic Chemistry and Physics Knowledge / English Technical Document Reading Ability / Quality Management Techniques / Semiconductor Processes
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because minute changes in the process directly affect product quality. |
| Learning Agility & Knowledge Acquisition | Because acquisition of new equipment and methods is necessary accompanying technological innovations and process improvements. |
| Problem Solving | Because investigation of causes is required during equipment troubles or defective product occurrences. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | The work mainly involves following procedures, and originality is not particularly required. |
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