🛠️ Career Summary
Shinichi Samizo is an engineer whose career has continuously advanced through
“Technology → Systemization → Education”, with expertise spanning control theory, electromagnetic field analysis, semiconductor device development, PZT actuators, and the productization of PrecisionCore printheads.
📘 Career Phases
🔹 Phase 0: Control Design & Electromagnetic Analysis (1994–1997)
- Began control system design using MATLAB/Simulink during undergraduate studies.
- Conducted electromagnetic field analysis during graduate research.
🧪 Episode: Thin-Film Microreactor Analysis (1996–1997)
Analyzed DCDC converter inductors with ferrite magnetic materials and Al spiral coils.
Proposed Q-factor loss analysis and Al/Cu selection guidelines for 500 kHz–1 MHz operation.
🔗 More details › Thin-Film Microreactor 1996
🔹 Phase 1: Semiconductor Devices (1997–2006)
- 1997: Joined Seiko Epson.
Led process integration for logic, memory, and high-voltage devices in the 0.35 µm–0.18 µm generations.
Responsible for cross-device integration from process design to verification.
🧩 Episode: 64 M DRAM Ramp-Up (1998)
Contributed to the 0.25 µm DRAM mass production startup, focusing on defect analysis and yield improvement.
🔗 More details › DRAM Startup 1998
- High-Voltage Mixed Integration for a-TFT ICs
Led development and productization of 30 V transistor integration on 0.25 µm and 0.18 µm logic processes.
Enabled mixed-voltage ICs for a-TFT panel driver applications by combining high-voltage MOS and low-voltage logic.
🔹 Phase 2: PZT Materials and Actuator Development (2007–2012)
- Transitioned from FeRAM-oriented PZT process evaluation to developing thin-film piezoelectric actuators.
- Contributed to structural analysis and reliability assurance of PZT films, forming the technological basis for PrecisionCore printhead development.
- Addressed thin-film-specific reliability issues by analyzing defect causes in PZT formation and optimizing surface treatment processes,
leading to significant improvements in mechanical durability and manufacturability.
👉 Conceptual Process Model for Education
📘 0.18 µm FeRAM Process Flow (Educational Model)
Educational conceptual process model based on real-world experience in semiconductor and PZT development.
🔹 Phase 3: PrecisionCore Productization and Knowledge Transfer (2012–)
- Led development of head electronics technologies centered on COF-based driver IC implementation for PrecisionCore printheads.
- Oversaw project scheduling, design, and qualification for mass production, driving the project to successful completion.
- Established systems for BOM structuring, ISO-based training, and technical knowledge transfer.
🎯 Current Activities
- Leveraging this experience to promote the open framework Samizo-AITL,
focusing on educational tools, prompt engineering, and AI-integrated control system design.
📌 Compiled a comparative table of FinFET / GAA parameters across technology nodes,
published as part of educational resources on advanced semiconductor nodes:
👉 FinFET / GAA Node Parameter Comparison Table
⚠️ Disclaimer
All process-related content (e.g., DRAM, FeRAM) on this page is based on conceptual educational models authored by Shinichi Samizo.
This information is not derived from any confidential manufacturing data or real product designs of any company.
DRAM-related content from 1998 reflects personal educational records and does not constitute confidential corporate information.