Dapanda
Learn — What I Study
52 posts- TFT Device Parameters #05 — Subthreshold Slope and the On/Off Ratio10/23/2026
- TFT Device Parameters #04 — Threshold Voltage and Transconductance10/23/2026
- TFT Device Parameters #03 — What a Parameter Is: Pulling Numbers Out of a Curve10/14/2026
- Display Backplane Process #20 — Cleaning (3): Physical Cleaning, Ultrapure Water, and Closing the Series10/14/2026
- Display Backplane Process #19 — Cleaning (2): HF, Ozone, Alkali, and the RCA Clean10/14/2026
- TFT Device Parameters #02 — Transfer Curves: The Device's Résumé, Read by Gate Voltage10/6/2026
- Display Backplane Process #18 — Cleaning (1): Why Particles Won't Let Go10/6/2026
- TFT Device Parameters #01 — Output Curves: What Appears as You Raise the Drain Voltage10/2/2026
- Display Backplane Process #17 — Strip: Removing the Resist That Has Done Its Job10/2/2026
- Display Backplane Process #16 — Etching (3): Wet Etching, Undercut, Galvanic Corrosion, BOE10/2/2026
- From Semiconductors to Transistors #09 — From Switch to Logic: Inverter, NAND and NOR9/28/2026
- Display Backplane Process #15 — Etching (2): Dry Etching with Plasma9/28/2026
- Display Backplane Process #14 — Etching (1): Core Concepts and Four Parameters9/21/2026
- From Semiconductors to Transistors #08 — What Happens When the Channel Gets Short9/21/2026
- From Semiconductors to Transistors #07 — Operating Regions: Cut-off, Linear and Saturation, NMOS and PMOS9/19/2026
- Display Backplane Process #13 — Photo (2): Exposure Tools and Mask Technology9/19/2026
- Display Backplane Process #12 — Photo (1): Drawing Circuits Like Taking a Photograph9/19/2026
- Display Backplane Process #11 — Deposition (3): PECVD, Insulating Films Made by Plasma9/16/2026
- From Semiconductors to Transistors #06 — The Field-Effect Transistor: A Door Opened Without Touching9/16/2026
- Display Backplane Process #10 — Deposition (2): Sputtering, Moving Metal by Impact9/14/2026
- From Semiconductors to Transistors #05 — A Device with Three Terminals: The Transistor and the BJT9/14/2026
- From Semiconductors to Transistors #04 — Diode and Capacitor: Two Components Out of a Single Junction9/12/2026
- Display Backplane Process #09 — Deposition (1): Vacuum and Plasma, the Stage for Every Film9/12/2026
- From Semiconductors to Transistors #03 — The PN Junction: Just Pressing Them Together Raises a Wall at the Boundary9/7/2026
- From Semiconductors to Transistors #02 — Energy Bands and Doping: How to Make a Non-Conducting Material Conduct9/7/2026
- From Semiconductors to Transistors #01 — What a Semiconductor Is: Matter That Neither Conducts Nor Blocks9/7/2026
- Display Backplane Process #08 — Doping: Engraving Polarity into Silicon9/7/2026
- Display Backplane Process #07 — ELA (2): 308nm UV, the Line Beam, and Mura9/4/2026
- Display Backplane Process #06 — ELA (1): The Nanosecond Magic, From Amorphous to Polycrystalline9/4/2026
- Display Backplane Process #05 — Thermal (2): From Furnace to RTA, the Equipment Triangle9/4/2026
- Display Backplane Process #04 — Thermal (1): Why Hydrogen Must Leave Before the Laser9/3/2026
- Display Backplane Process #03 — PI (2): Coat, Dry, Bake — Process and Equipment8/28/2026
- Display Backplane Process #02 — PI (1): Building a Flexible Substrate on Glass — Material and Stack8/22/2026
- Display Backplane Process #01 — The Semiconductor Behind Your Screen8/16/2026
- The Science of Directional Speakers #14 — Signal Processing Optimization: Bandwidth and Modulation Index8/14/2026
- The Science of Directional Speakers #13 — The Directional Speaker's Modulation Strategy: Resonance and PWM8/8/2026
- The Science of Directional Speakers #12 — Modulation Basics: AM, FM, and PWM at a Glance8/2/2026
- The Science of Directional Speakers #11 — The Nyquist Theorem: The Starting Point of Digital Sound7/27/2026
- The Science of Directional Speakers #10 — Ultrasonic Transducer Design: Resonance and Array Layout7/21/2026
- The Science of Directional Speakers #09 — The Piezoelectric Effect: The Moment Electricity Becomes Sound7/15/2026
- The Science of Directional Speakers #08 — Aiming Sound: Phased Arrays and Beamforming7/9/2026
- The Science of Directional Speakers #07 — PAA Theory Deep Dive: Berktay, Westervelt, and KZK7/3/2026
- The Science of Directional Speakers #06 — The Magic of Air Becoming a Speaker: PAA Nonlinear Acoustics6/27/2026
- The Science of Directional Speakers #05 — Why Ultrasound: Generation Principles and a Map of Applications6/21/2026
- The Science of Directional Speakers #04 — What Is Ultrasound: Definition, Types, and Propagation Characteristics6/15/2026
- The Science of Directional Speakers #03 — Directional Speaker Use Cases: Exhibitions, Safety, Retail, and Offices6/9/2026
- [Vibe Coding the Hard Way 4/21] Frontend vs Backend, Where Is the Real Boundary - “Problems Blow Up Not Inside the Boxes, but at That ‘Boundary’”6/3/2026
- The Science of Directional Speakers #02 — Carrying Sound on Inaudible Sound6/3/2026
- [Vibe Coding, the Hard Way 3/21] Terminal, CLI, IDE — What Are You Afraid Of? Don't Be Intimidated!5/30/2026
- The Science of Directional Speakers #01 — A Flashlight for Sound: What Is a Directional Speaker?5/28/2026
- [Vibe Coding, the Hard Way 2/21] Vibe Coding? — Beginners Know Surprisingly Little, and Imagine Surprisingly Much5/27/2026
- [Vibe Coding, the Hard Way 1/21] Vibe Coding: Why You Shouldn't "Study" It — and Why Watching Videos Isn't Enough5/25/2026
Kit — Online Tools
123 itemsPICTUREImage
AUDIOAudio
VIDEOVideo
- Video Editor
- Screen Recorder
- Video Recorder
- Text to Speech
- Video Converter
- Video Merger
- Video Trimmer
- Video Crop
- Resize
- Rotate Video
- Flip Video
- Speed Changer
- Volume Changer
- Loop
- Reverse
- Normalize
- Video Stabilizer
- Add Audio
- Add Image
- Add Text
- Remove Logo
- Extract Audio
- Video Compressor
- To GIF
- Metadata
- Silence Cut
- Burn Subtitle
UTILITYUtilities
- Merge PDF
- Split PDF
- Compress PDF
- Protect PDF
- Unlock PDF
- Rotate PDF
- Page Numbers
- PDF to Word
- PDF to Excel
- PDF to JPG
- PDF to PNG
- PDF to HTML
- Word to PDF
- JPG to PDF
- Excel to PDF
- PPT to PDF
- PNG to PDF
- Document Converter
- Font Converter
- Archive Converter
- eBook Converter
- Extract Archive
- QR Code
- Unit Converter
- Organize Pages
- Extract Pages
- PDF Watermark
- Sign PDF
- OCR
- PDF to Text
- PDF to Speech
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