Waferpedia

Comparison ledger

770versus6550

Plasma-Therm 770, Tegal 6550, side by side. Every value shown is drawn from the cited encyclopedia entries.

Side-by-side comparison of selected equipment models
Attribute
770Plasma-Therm
6550Tegal
OEMPlasma-ThermTegal
CategoryEtchEtch
Wafer size100mm100mm
Process node——
Introduced—2000
Production run——
Lifecycle——
Lifecycle milestones—2000 Patent announcement · 2001 Order announced
Control system——
Generation——
FamilyPlasma-Therm 770Tegal 6550
Cited variants—
  • 6550 Spectra[1]
Specifications
ManufacturerPlasmatherm (Unaxis)[2]—
ModelPlasma-Therm 770 SLR series[2]—
Tool typeDry Etch[2]—
System typeFluorine-based ICP etcher with loadlock[2]—
Plasma sourceInductively Coupled Plasma (ICP) coil[2]patented next-generation dual-frequency plasma source technology[5]
Substrate biasCapacitively coupled substrate RF supply[2]—
ICP coil power1000 W at 2 MHz[2]—
Substrate bias power500 W at 13.56 MHz[2]—
Available gasesC4F8, SF6, O2, Ar, N2, CHF3, CF4[2]—
Backside coolingHelium backside cooling[2]—
Chuck temperature10°C standard[2]—
Wafer handlingSingle 100 mm / 4-inch wafer handling with physical topside clamp contacting the outer 5 mm of the wafer[2]—
Control systemWindows-based computer control of process and wafer handling[2]—
Endpoint monitoringIn-situ laser monitor with camera and simulation software[2]—
Number of MFC gas controllers8[3]—
Gases (chlorine configuration)N₂, O₂, CHF₃, AR, CH₄, CL₂, BCL₃, CF₄[3]—
Wafer size range (with appropriate kit)2" to 8"[3]—
Gases (previous usage, chlorine configuration)N₂, O₂, He, CHF₃, Cl₂, BCl₃[4]—
Product type—etch reactor / plasma etch system[5]
Wafer size—100mm–200mm[1]
Process target—non-volatile metal and metal oxide films[5]
Primary application—volume production of magnetic memory components such as MRAM and GMR devices[5]
Platform—full cluster tool technology[5]
Process capability—patented rinse-strip-rinse feature / process capability[5]
Chamber configuration—dual-chamber platform[6]
Plasma source (later material)—Spectra plasma source[6]
Available option—deposition shield[5]
Type—plasma etch reactor[5]
Processes—etching non-volatile metal and metal oxide films[5]
Plasma source technology—patented next-generation, dual-frequency plasma source technology[5]
Variant—Spectra plasma source[6]

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Sources (6)Every fact above is drawn from these public sources
  1. [1]web.archive.orgweb.archive.org
  2. [2]wiki.nanotech.ucsb.eduwiki.nanotech.ucsb.edu
  3. [3]nanolab.ucla.edunanolab.ucla.edu
  4. [4]wotol.comwotol.com
  5. [5]web.archive.orgweb.archive.org
  6. [6]web.archive.orgweb.archive.org