[Device Part4] The Early History of the Transistor (1 of 2) скачать в хорошем качестве

[Device Part4] The Early History of the Transistor (1 of 2)

Hello, Silicon Pioneers! Welcome back to the channel, where we unravel the intricate world of semiconductors. I’m Semi Sherpa, and today, we continue our journey through the evolution of transistor devices, tracing their history from the very beginning. Silicon is more than just a material. It is the foundation of the digital age. Computers, the internet, and mobile phones, things we now take for granted, wouldn't exist without silicon microelectronics. Semiconductors have reshaped the world in ways once unimaginable, marking a turning point in human history. In the grand river of technology, the birth of the transistor was a defining moment, a leap into the Information Age. From the earliest experiments of the 20th century to the cutting-edge nanotechnology of today, the transistor has been at the heart of innovation, transforming not just electronics but the very fabric of modern life. Why does history matter in innovation? As someone working in the semiconductor industry, I often see "new" ideas that are really echoes of the past. True innovation doesn’t appear out of nowhere. It emerges when we examine existing knowledge with a fresh perspective, seeking solutions with urgency and purpose. Exploring the history of semiconductor breakthroughs isn't just about nostalgia. It is about gaining wisdom. The past offers lessons that can shape the future, often in ways we don’t immediately recognize. Yet, despite the vast amount of literature and videos on semiconductors, there is surprisingly little that truly breaks down the technical aspects of how transistors were invented and evolved. This knowledge is crucial for students, young professionals, and even seasoned experts. Today, let’s trace the evolution of semiconductors, starting with their distant ancestor, the vacuum tube. I have carefully selected the key milestones that provide the clearest insights into how silicon engines have advanced, shaping the transistor technology we use today. As George Orwell wrote in 1948, “Who controls the past controls the future. Who controls the present controls the past.” So let’s travel back in time, uncover the fascinating history of transistors, and see how their development ignited the digital revolution. Let’s get started! Check out the timestamps below. 1. Introduction [2:54] The First Discovery of Semiconductors: How It All Began [12:25] The First Semiconductor Device: Point-Contact Diode (Cat’s Whisker) [19:32] The Age of Vacuum Tubes: How They Shaped Early Electronics 2. Point-Contact Transistor (PCT) [46:30] The Birth of the Semiconductor Transistor (1947) [52:52] How the First Transistor worked: Point-Contact Transistor (PCT) [56:47] Voltage Amplification in the First Transistor: How It Works [59:21] The First Transistor: Produced at Scale but Faced Constraints 3. Bipolar Junction Transistor (BJT) [1:02:16] Shockley’s Pursuit of a More Reliable Transistor [1:06:15] From Theory to Practice: Creating the First Junction Transistor [1:08:40] Overcoming the First Challenge in Junction Transistor Fabrication [1:11:20] Overcoming the Second Challenge in Junction Transistor Fabrication [1:13:55] Transistor Breakthrough: The Switch from Germanium to Silicon [1:20:25] BJT Basics: A Quick Overview of How It Works 4. Planar Transistor & Integrated Circuit (IC) 5. Field Effect Transistor (MOSFET)