🖨️ Inkjet — Inkjet Technology Archive

🔗 Official Links

Language	GitHub Pages 🌐	GitHub 💻
🇯🇵 Japanese
🇺🇸 English

📌 Project Overview

English
This repository is an open technical archive based solely on public information about inkjet printhead technologies.
It covers structure, drive methods, ink compatibility, application-specific evaluation, ink flight phenomena, and 3D printing applications, across major manufacturers such as EPSON, Canon, Ricoh, Fujifilm, and HP.

Japanese
本リポジトリは、インクジェットプリントヘッド技術に関する公開可能な情報のみを体系的に整理した技術アーカイブです。
EPSON・Canon・Ricoh・Fujifilm・HPなど主要メーカーの構造・駆動方式・インク適合性・用途別評価・インク飛翔現象・3Dプリンティング応用まで幅広くカバーしています。

📚 Repository Contents

Folder	Description (Japanese)	Summary (English)
📂 makers/
	各社（Epson, Canon, Ricoh, Fujifilm, HP）の技術方式・構造比較	Technology & structure comparison for each manufacturer
📂 comparison/
	駆動方式・インク種・用途・解像度による横断比較	Cross-comparison by drive method, ink type, applications, resolution
📂 evaluation_tools/
	波形制御・滴下観察・評価装置の基礎と解説	Basics of waveform control, droplet observation, evaluation equipment
📂 3d_printing/
	材料噴射型3Dプリントの応用・適合性	Application & compatibility for material jetting 3D printing
📂 fabrication/
	薄膜ピエゾCMOS混載事例（公開情報ベース）	Thin-film piezo CMOS integration case studies (public info only)

📁 Repository Structure

Inkjet/
├─ makers/                      # Manufacturer-specific printhead technology (public info only)
│   ├─ epson/                   # Epson MACH, μTFP structure & applications
│   ├─ canon/                   # Canon Bubble Jet structure & features
│   ├─ ricoh/                   # Ricoh industrial head specifications
│   ├─ fujifilm/                # Fujifilm head specs & applications
│   └─ hp/                      # HP thermal head information
│
├─ comparison/                  # Cross-manufacturer comparison
│   ├─ drive_methods.md         # Drive method comparison (piezo, thermal, etc.)
│   ├─ usage_fields.md          # Application classification (industrial, commercial, etc.)
│   ├─ ink_types.md             # Ink compatibility (aqueous, UV, etc.)
│   └─ summary_table.md         # Technology features summary table
│
├─ evaluation_tools/            # Evaluation, observation & waveform control tools
│   ├─ waveform_control.md      # Drive waveform optimization
│   ├─ ink_flight_analysis.md   # Ink flight stability analysis
│   └─ equipment_list.md        # Evaluation equipment list
│
├─ 3d_printing/                 # 3D printing applications
│   ├─ overview.md              # Inkjet AM overview
│   ├─ classification.md        # Material jetting classification
│   └─ inkjet_related.md        # Application examples (bio, etc.)
│
└─ README.md                    # This overview

🔓 Open Access Policy

English: Built only from public patents, papers, academic references, and industry articles. No confidential data is included.
Japanese: 公開特許・論文・学術資料・業界記事などの一般公開情報のみに基づき構成。機密情報は含みません。

🎯 Intended Use

Use Case	Description (English)	説明（日本語 / Japanese）
🎓 Education & Training	Structured learning of principles, structure, applications	原理・構造・応用を体系的に学習
🛠 Technical Comparison	Compare features & compatibilities across makers	メーカー別の特性・適合性を比較
📊 Product Selection	Reference for design & development (incl. waveform & equipment)	設計・開発の参考資料（波形・評価装置含む）
🧪 Applied Research	Starting point for 3D/bio printing research	3D/バイオプリント等の研究出発点

Project Name	Summary (English)	内容（日本語 / Japanese）
Edusemi-v4x	Semiconductor education (process, design, PDK, test)	半導体技術教育（プロセス・設計・PDK・テスト）
EduMecha	Mechanical design & Creo training (printhead structure exercises)	機械設計・Creo教材（プリントヘッド構造演習対応）
AITL-H	Hybrid intelligent control (equipment control capable)	FSM×PID×LLMによる知能制御（装置制御応用可）
SamizoGPT	Prompt design & learning support tool	教材・プロンプト設計支援ツール

👤 Author

Item	Details
Name	Shinichi Samizo
Education	Master, Electrical & Electronic Engineering, Shinshu University
Career	Former Seiko Epson Corporation engineer (1997–)
Expertise	Semiconductor devices (logic, memory, high-voltage integration) Inkjet thin-film piezo actuators PrecisionCore printhead productization, BOM management, ISO training
✉️ Email
🐦　X
💻 GitHub

📄 License

Licensed under MIT License.
Free to reuse, modify, and fork for educational and non-profit purposes.

Opinions and descriptions are those of the author.

🔜 Roadmap

🌐 GitHub Pages deployment — Public by Q3 2025
🧠 SamizoGPT integration — Add automatic generation of technical comparison prompts
💧 Printing phenomena × fluid simulation materials — Linked with AM simulation
🏗️ Evaluation equipment PoC integration — Automation of high-speed imaging & waveform control

💬 Discussions

Feedback & suggestions are welcome in Discussions.
ご意見・改善案は Discussions ページまでお気軽にどうぞ。