DIY Semiconductor Enthusiast Creates LEDs Using Homemade Cleanroom and eBay Laser
Matthew Hartensveld, known as Dr. Semiconductor, has expanded his backyard semiconductor lab to fabricate LEDs. He used a sapphire wafer coated with gallium nitride, then etched patterns with a powerful laser purchased on eBay, operating it in his bathroom for safety. After applying indium contacts, he successfully produced blue light with a 9V battery, advancing his open-source Semiconductor.DIY project.
This summary is AI-generated and original to Mobble; the linked article is the authoritative source.
Original headline: “Mad scientist makes LEDs in his backyard — semiconductor wizard who made his own RAM turns his attention to using bathroom eBay laser to etch sapphire wafers.” Browse more stories.