CHA E-Beam Evaporator #2
Status | Up |
|---|---|
Issue Date and Description | 11/14/2025 Replacement of Cryopump complete. Testing of system is complete. 9/23/25 Cryopump failed. System will be down for approx 4-6 weeks. 7/17/2025 Top flange on chamber o-ring fail. Regeneration of cryopump is necessary. 4/9/25 Regeneration of Cryopump complete. 4/7/25 Student crashed the Cryopump. Down for regeneration.3/27/2025 Cryo showing sudden poor performance - either partial failure of the motor drive or contamination in the He line |
Estimated Fix Date and Comment | 0718/2025, regeneration finished, system back online.07/18/2025 4/9/25. 4/1/2025 Successful regeneration. He lines may need purge soon but tool is operating normally |
Responding Staff | Dave Lubelski/Dan Witter |
iLab Name | |
|---|---|
iLab Kiosk | |
FIC | Shared |
Owner | |
Location | Cleanroom - L Bay |
Max. Wafer | 4"/100 mm |
Internal Page | |
Staff Page |
Current Sources | Ti, Ag, Ni, Au, Pt, Al |
|---|---|
Potential Sources | Ti, Au, Pt, Al, Ni, Ge, Cr, Ag, NiCr (80/20) |
Overview
General Description
General Description
Telemark 861 deposition controller
Six pocket e-beam evaporator
Pockets hold 8.2 cc crucible liners
Substrate fixture can hold 1- 6" wafer 4" wafers with adapters for a 3" wafer, 2" wafer, and fragments of wafers
Water cooled stage
Specifications
Source Materials: Ti, Au, Al, Ni, Ge, Ag
Deposition rates range from 1 - 4.0 Angstroms/sec
Quick pump down to 5x10-7 torr
RESULTS FROM TOOL CHARACTERIZATION AS OF 1/24/2020
material deposited on clean pattered wafer | deposition rate | thickness setting | characterized result |
using PR lift off process measured on P7 | |||
CHA2 | |||
Ti | 2 a/s | 50 nm | 49.9 nm |
Au | 2 a/s | 50 nm | 49.4nm |
Ni | 2 a/s | 50 nm | 48.3 nm |
Pt | 2 a/s | 50 nm | 51 nm |
Ag | 2 a/s | 50 nm | 48.8 nm |
Ge | 2 a/s | 50 nm | 49.8 nm |
Ti | 1 a/s | 5 nm | 5nm |
Ti/Au | Ti 1 a/s Au 2/as | 5 nm Ti 50nm Au | 54.8nm |
Sample Requirements and Preparation
Make sure your sample has been properly Baked when using PR or PMMA.
Substrates must be solvent cleaned in the standard 3 step Toluene, Acetone, and IPA solvent clean.
Samples must be cleaned in accordance to processing needs NO FLEXIBLE SUBSTRATES OF ANY KIND ARE ALLOWED IN THIS TOOL