Our comprehensive menu of back-end-of-line fab services supports a range of needs from unit processes to wafer turnkey. We are ready to handle any low- to medium-volume manufacturing requirements -- even production of a single wafer.
Silicon thinning
Grinding
CMP
Dry etch
Wet etch, including HNA stop on epi
Bonding methods:
Face-to-face, back-to-back, face-to-back
Wafer-to-wafer (More than three active device wafers per stack)
Die-to-wafer
Die-to-die
Component/chiplet to interposer
Bonding technologies:
Low temperature bonding
Covalent oxide bonding (ZiBond®)
DBI® (Direct Bond Integration) using copper or nickel
Hybrid bonding
Thermocompression bonding (TCB)
Temporary bonding/debonding
Interposers with TSV
Custom design & build
Thick layer copper damascene
Silicon, fused silica, borosilicate glass, and organic substrates In development: post-fab formable metal with ultra-low CTE
Stitched fields (up to full wafer scale)
Chiplet integration
Front side and back side component mount
Micro-Transfer Printing (MTP)
Photonics integration
Microfluidics
Wafer coring (resizing)
Surface planarization
Stress compensation
Cleaning and deposition
TSV insertion (back side or via-middle)
Plasma dicing
Copper and nickel damascene processes and RDL
Aluminum RDL and pad metal process
IR alignment and printing
Back side passivation / delta doping / antireflective coating (ARC)