| Analytical
Technique |
Typical
Applications |
Signal
Detected |
Elements
Detected |
Organic
Information |
Detection
Limits |
Depth
Resolution |
Imaging/
Mapping |
Lateral
Resolution (Probe Size) |
| AFM/SPM |
Surface imaging with near
atomic resolution |
Atomic scale roughness |
- |
- |
- |
0.01 nm |
Yes |
1.5 - 5 nm |
| Auger |
Elemental surface analysis
and high resolution depth profiling |
Auger electrons from near-surface
atoms |
Li - U |
- |
0.1 - 1 at% |
2 - 6 nm |
Yes |
100 nm |
| FE
Auger |
Elemental surface analysis,
microanalysis, microarea depth profiling |
Auger electrons from near-surface
atoms |
Li - U |
- |
0.01 - 1 at% |
2 - 6 nm |
Yes |
<15 nm |
| FIB |
Cross sections
- especially Cu, resist, defects
Thin sections for STEM/TEM |
Secondary and backscattered
electrons
Secondary ions |
B
- U
(EDS mode) |
- |
0.1
- 1 at% |
|
Yes |
>3
nm with SEM
> 7 nm with FIB |
| micro-FTIR |
Identification of polymers,
plastics, contaminants, organic films, fibers, and liquids |
Infrared absorption |
- |
Molecular groups |
0.1 - 100 ppm |
- |
No |
15 microns |
Analytical
Technique
Top
|
Typical
Applications |
Signal
Detected |
Elements
Detected |
Organic
Information |
Detection
Limits |
Depth
Resolution |
Imaging/
Mapping |
Lateral
Resolution (Probe Size) |
GC/MS
GCMS |
Identification
and quantification of trace organic compounds |
Molecular/characteristic
fragment ions |
Molecular
ions to mass 1000 |
- |
400 ng (full
scan)
10 ng (outgassing) |
- |
- |
- |
| HFS |
Hydrogen in thin films (Quantitative) |
Forward scattered hydrogen
atoms |
H, D |
- |
0.01 at% |
50 nm |
No |
2 mm x 10 mm |
| Raman |
Identification
of organics and inorganics |
Raman scattering |
Molecular
chemical identification from vibrational spectra |
- |
as
low as 0.1 wt% |
Confocal
mode 1-2 µm |
Yes |
1
µm
|
| RBS |
Quantitative thin film composition
and thickness |
Backscattered He atoms |
Li - U |
- |
1 - 10 at% (Z<20)
0.01-1 at% (20<Z<70)
0.001-0.01 at% (Z>70) |
2 - 20 nm |
Yes |
2 mm |
Analytical
Technique
Top
|
Typical
Applications |
Signal
Detected |
Elements
Detected |
Organic
Information |
Detection
Limits |
Depth
Resolution |
Imaging/
Mapping |
Lateral
Resolution
(Probe Size) |
| SEM/
EDS |
Imaging and elemental microanalysis |
Secondary and backscattered
electrons and X-rays |
B - U |
- |
0.1 - 1 at% |
1 - 5 micron (EDS) |
Yes |
4.5 nm (SEM)
1 micron (EDS) |
| FE
SEM |
High resolution imaging of
polished precision cross sections |
Secondary and backscattered
electrons |
- |
- |
- |
- |
Yes |
1.5 nm |
| FE
SEM (in lens) |
Ultra-high resolution imaging
with unique contrast mechanism |
Secondary and backscattered
electrons |
- |
- |
- |
- |
Yes |
0.7 nm |
| SIMS |
Dopant and impurity depth
profiling, surface, and microanalysis |
Secondary ions |
H - U |
- |
1e12 - 1e16 at/cc (ppb-ppm) |
5 30
nm |
Yes |
1 micron (Imaging), 30 micron
(Depth profiling) |
| Quad
SIMS |
Dopant and impurity depth
profiling, surface, and microanalysis, insulators |
Secondary ions |
H - U |
- |
1e14 - 1e17 at/cc |
<5 nm |
Yes |
<5 micron (Imaging), 30
micron (Depth profiling) |
| TOF
SIMS |
Surface microanalysis of polymers,
plastics, and organics |
Secondary ions, atoms, molecules |
H - U |
Molecular ions to mass 10,000 |
<1 ppma, 1e8 at/cm2 |
1 monolayer |
Yes |
0.10 micron |
|
Analytical
Technique
Top
|
Typical
Applications |
Signal
Detected |
Elements
Detected |
Organic
Information |
Detection
Limits |
Depth
Resolution |
Imaging/
Mapping |
Lateral
Resolution
(Probe Size) |
| TXRF |
Metallic contamination on
semiconductor wafers |
Fluorescent X-rays |
S - U |
- |
1e9-1e12 at/cm2 |
- |
Yes |
10 mm |
| XPS/ESCA |
Surface analysis of organic
and inorganic molecules |
Photoelectrons |
Li - U |
Chemical bonding |
0.01 - 1 at% |
1 - 10 nm |
Yes |
10 µm
- 2 mm |
| XRF |
Thin film, thickness
composition |
X-rays |
Na
- U |
|
10
ppm |
- |
No |
100
µm
|