Waferpedia

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PlasmaPro100versusMultiplex ICP

Oxford Instruments PlasmaPro100, STS Multiplex ICP, side by side. Every value shown is drawn from the cited encyclopedia entries.

Documented as functional equivalents— Same function class: Etch, 100mm[1]
Side-by-side comparison of selected equipment models
Attribute
PlasmaPro100Oxford Instruments
OEMOxford InstrumentsSTS
CategoryEtchEtch
Wafer size100mm100mm
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system—DOS
Generation——
FamilyOxford Instruments PlasmaPro100STS Multiplex ICP
Specifications
OEMOxford[2]STS[3]
ModelPlasmaPro100[2]Multiplex ICP[3]
Equipment typedry etcher[2]—
Plasma sourceICP plasma etcher[2]—
Wafer size100mm wafers[2]100 mm wafers[1]
Chemistrychlorine and bromine chemistry[2]chlorine and bromine chemistry[2]
Clampingelectrostatic clamping[2]Clamped[1]
Compatibilitymicroelectronic compatible equipment[2]microelectronic compatible equipment[2]
Applicationsmetals etching; deep polymer etching; Si, SiO2 and Si3N4 thin films etching[2]etching insulators, silicon, metals, and some polymers[3]
Endpoint detectionlaser reflectometry/interferometry and optical emission spectroscopy (EOS) endpoint detection[2]fitted with an End Point Detection (EPD) system[3]
Tool typeICP plasma etcher[2]load-locked, inductively coupled plasma etch system[1]
End-point detectionlaser reflectometry/interferometry end-point-detection[2]—
Process—deep silicon etching using the Bosch process[1]
Process gases—SF6, C4F8, O2, Ar[1]
Carrier requirement—Wafers smaller than 100 mm and irregularly shaped samples must be placed on a 100 mm carrier[1]
Platen size—100 mm[1]
ICP power range—0–900 Watts[1]
Bias power range—0–30 Watts[1]
MFC flow range - SF6—0–300 sccm[1]
MFC flow range - C4F8—0–200 sccm[1]
MFC flow range - O2—0–100 sccm[1]
MFC flow range - Ar—0–100 sccm[1]
Pressure range—< 90 mTorr[1]
Backside cooling—Helium[1]
Selectivity to photoresist—50:1[1]
Selectivity to wet thermal SiO2—100:1[1]
Typical repeatable aspect ratio—10:1[1]
Wafer Size—4 inches and 6 inches wafers[3]
Plasma Type—Inductively Coupled Plasma (ICP)[3]
RF Frequency (ICP source)—13.56 MHz[3]
Substrate Bias Power (maximum)—300 W[3]
Substrate Chuck Temperature—20°C[3]
Substrate Clamping—Electrostatic clamping[3]
Load Lock Type—Transfer loadlock with high vacuum during loading/unloading[3]
Materials Etched—Insulators (SiO2, Si3N4, SiC), silicon, metals (Al Alloys, Pt, Ti), some polymers[3]
Type—load-locked inductively coupled plasma etch system[1]
Wafer handling—smaller wafers and irregularly shaped samples placed on a 100 mm carrier[1]
Mask materials—photoresist and silicon dioxide (SiO2)[1]
Dedicated etch materials at CMi—metals, quartz, and polyimide[3]
Chuck—biasing chuck controlled in temperature[3]
Temperature control—20°C[3]
Wafer sizes supported—4 inches and 6 inches[3]
Max RF generator power—300 W[3]
Control software—entirely computer controlled[3]
Substrate holder RF biasing power—300 W maximum[3]
Number of gas MFCs—8[3]
Pumping system—1000 l/s turbo pump[3]
Base pressure (without process)—few 10^-7 mb[3]
Wafer clamping—Electrostatic clamping with helium backside cooling[3]
End Point Detection—Yes[3]
Etching materials (general)—Insulators (SiO2, Si3N4, SiC), silicon, metals (Al alloys, Pt, Ti), polymers[3]
Al etch rate (standard Cl2/BCl3 process)—0.2 to 0.5 um/min[3]
Si etch rate (standard Cl2 process)—0.35 um/min[3]
Polyimide etch rate (oxygen chemistry)—>1 um/min[3]
Chuck type—Electrostatic clamping and biasing chuck[3]
Wafer compatibility—Adaptable for 4 inches and 6 inches wafers[3]
Control—Entirely computer controlled[3]
End point detection—End Point Detection (EPD) system[3]
Bias RF power maximum—300 W maximum[3]
ICP source—Antenna connected to an RF power supply and wrapped around an alumina cylinder[3]

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Sources (3)Every fact above is drawn from these public sources
  1. [1]cores.research.asu.educores.research.asu.edu
  2. [2]epfl.chepfl.ch
  3. [3]epfl.chepfl.ch