- Welcome Sam Zeloof!
- Sam is graduating high school soon, he's currently finishing up his senior year.
- Sam started the process of making semiconductors in his garage 1.5 years ago
- 0h 1m 15s
- Sam was inspired by Jeri Ellsworth's videos
- 0h 2m 45s
- He'll be attending Carnegie Mellon University in the fall.
- 0h 8m 7s
- Book: Microchip Fabrication by Peter Van Zant
- 0h 10m 23s
- Chemicals are hardest to get
- 0h 12m 21s
- HF in contained in Whink Rust Cleaner
- 0h 12m 40s
- Stump remover
- 0h 12m 54s
- Boric Acid is in roach killer
- 0h 12m 59s
- Sam gives a tour of his lab
- 0h 14m 10s
- Recently finished version of a Dual PMOS differential amplifier!
- 0h 15m 49s
- UPDATE: Sam has published about his recently completed IC
- Added SEM
- 0h 16m 3s
- Wasn't an option to buy a vapor deposition machine, needed to build
- 0h 17m 43s
- It was PVD, not CVD
- 0h 18m 9s
- Sputtering aluminum
- 0h 18m 59s
- Mean Free Path
- 0h 20m 26s
- Follow along with the slides Sam prepared for a recent showcase of his work in Newark at the Trenton computer fest
- 0h 20m 52s
- Start with wafer, buy off eBay
- 0h 24m 48s
- Check resistivity
- 0h 25m 10s
- Might be obvious, but Sam is not in a clean room
- 0h 27m 13s
- Both Sam and Chris have worked in a Class 100 clean room
- 0h 28m 10s
- UDC internship working on organic LED processes
- 0h 28m 18s
- Oxidizing layer
- 0h 29m 43s
- Photolithography
- 0h 30m 9s
- Silicon gate vs metal gate
- 0h 31m 36s
- Self aligned gate
- 0h 32m 14s
- 4 mask set
- 0h 33m 3s
- What is doping?
- 0h 33m 42s
- Electrons and holes. Talking about holes makes understanding organic semiconductors easier.
- 0h 35m 37s
- Dopants are ppm and ppb
- 0h 37m 55s
- Phosphine and diborane
- 0h 38m 49s
- Adding chemicals and then diffusing
- 0h 41m 14s
- Hardest piece to find is the furnace
- 0h 41m 26s
- HF acid
- 0h 46m 26s
- HF etching of photoresist/oxide
- 0h 49m 26s
- Adhesion promoter HMDS
- 0h 50m 13s
- Spinning on the dopants
- 0h 53m 40s
- Spin coating allows uniform application
- 0h 54m 0s
- Migration of dopants down into the lattice
- 0h 54m 52s
- Get rid of thick oxide
- 0h 57m 12s
- Grow gate oxide
- 0h 57m 25s
- Field oxide is 5000-10000A
- 0h 57m 49s
- Gate oxide is 500 A
- 0h 58m 11s
- Alignment on wafers
- 0h 59m 43s
- Doing photolithography with a projector
- 1h 0m 49s
- Mike Harrison talking about projectors
- 1h 2m 26s
- EUV 13nm
- 1h 2m 39s
- Double Patterning
- 1h 3m 20s
- Scored corner and do y = mx + b
- 1h 6m 30s
- Grateful dead bears
- 1h 8m 25s
- Zeloof Semiconductor
- 1h 9m 57s
- Thinner layers you dilute etchant
- 1h 10m 45s
- Curve tracer
- 1h 12m 1s
- Polished surface is tough for probing
- 1h 12m 48s
- Make a 4 pin pogo tester
- 1h 13m 2s
- 3rd masking step (contact)
- 1h 14m 28s
- Metalization
- 1h 15m 30s
- Everything is shorted
- 1h 15m 36s
- Need to expose the traces that are remaining
- 1h 15m 42s
- How many transistors are you making?
- 1h 16m 33s
- Dual differential amplifier
- 1h 17m 40s
- With larger feature sizes if it looks good, i'ts going to work
- 1h 18m 26s
- CMP
- 1h 19m 35s
- Little Lisa slurry
- 1h 19m 54s
- Silane and CVD isn't an option
- 1h 21m 6s
- Polysilicon enables more types/more intricate transistos
- 1h 21m 35s
- Max output swing isn't possible with metal gate
- 1h 22m 17s
- Itsy Chipsy chip service
- 1h 28m 1s
- Design tools - Magic VLSI
- 1h 28m 41s
- Drawing block of transistors
- 1h 29m 17s
- QFlow
- 1h 29m 34s
- Going from Verilog to masks
- 1h 30m 4s
- MOSIS
- 1h 33m 36s
- Wirebonder in process
- 1h 34m 25s
- Former guest Tony Long might have one?
- 1h 34m 54s
- CMU has a new cleanroom and Sam will be allowed to work there as a freshman
- 1h 36m 8s
- Find Sam on YouTube, Twitter and via email
- 1h 37m 46s
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