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| Home > Lake Shore Products > Cryogenic Probe Stations > Technical Specifications > Options |
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Probes, Probe Tips, and Cables — Required User Configurable Equipment |
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| ZI50 DC/RF PROBES |
- Ideal for: DC biasing,
low/high frequency measurements, low noise shielded, and low-leakage guarded measurement
- ZI50 probe base is linked to the sample stage to dynamically cool/heat the probe to the sample temperature
- SMA connector mounted directly to an alumina ceramic blade with a 50 W stripline routed to the probe contact
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| Part number (probe body) |
Description |
| ZN50 |
50 W stripline probe body mount
(each probe body mount requires a
ceramic blade—selectable below)
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| Part number (ceramic blade) |
Tip material |
Maximum frequency (Ghz) |
Tip radius (µm) |
| ZI/ZI50R-03-W |
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1*
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3 |
| ZI/ZI50R-10-W |
10 |
| ZI/ZI50R-25-W |
25 |
| ZI/ ZI50R-03-P7 |
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3 |
| ZI/ZI50R-10-P7 |
10 |
| ZI/ ZI50R-25-P7 |
25 |
| ZI/ ZI50R-03-BeCu |
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3 |
| ZI/ ZI50R-10-BeCu |
10 |
| ZI/ZI50R-25-BeCu |
25 |
| ZI/ZI50R-100-BeCu |
100 |
| ZI/ZI50R-200-BeCu |
200 |
*Maximum frequency 50 MHz with Z50-CU-SS-3650-G or Z50-CU-SS-3650-T cable; maximum frequency 1 GHz with K-085-K cable
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Paliney 7 (P7-PdAu alloy)
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Good for gold contact pads
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| ZN50 DC/RF CABLES |
| Part number |
Cable type |
Connector
type |
Feedthrough
type
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Measurement
configuration
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Maximum
frequency |
Maximum
temperature |
| Z50-CU-SS-3650-G |
Ultra-miniature
cryogenic coax
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SMA |
BNC |
Shielded |
50 MHz |
450 K |
| Z50-CU-SS-3650-T |
Ultra-miniature
cryogenic coax |
SMA |
2-lug triax |
Low leakage |
50 MHz |
450 K |
| K-085-K |
Stainless
semirigid
microwave coax
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K |
Loss-less
compression
seal
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High frequency |
1 GHz* |
400 K |
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*S21 > -10 dB up to 1 GHz, except for a (-40 dB) spike between 400 Mhz and 800 MHz depending on probe model and placement; S11 < -3 dB up to 1 GHz |
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| GSG MICROWAVE PROBES |
- Coplanar waveguide probe with ground-signal-ground (GSG) contact geometry
- User-specified pitch (spacing)
- Optimized low thermal conductivity coax leading to low thermal conductivity tips
- Cooled to near-sample temperature
- Limited to 400 K
- Separate theta planarization module with ±5° rotation mechanism is also provided
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| Part number |
Connector type |
Maximum frequency (Ghz) |
Pitch (µm) |
| GSG-050-40A |
K |
40 |
50 |
| GSG-100-40A |
100 |
| GSG-150-40A |
150 |
| GSG-200-40A |
200 |
| GSG-250-40A |
250 |
| GSG-050-50A |
2.4 mm |
50 |
50 |
| GSG-100-50A |
100 |
| GSG-150-50A |
150 |
| GSG-200-50A |
200 |
| GSG-250-50A |
250 |
| GSG-050-67A |
1.8 mm |
67 |
50 |
| GSG-100-67A |
100 |
| GSG-150-67A |
150 |
| GSG-200-67A |
200 |
| GSG-250-67A |
250 |
| *PS-EMTTP4-360° sample stage rotation option recommended when taking reasurements using microwave probes |
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| GSG MICROWAVE CABLES |
- Loss-less compression seal
- Semirigid with stainless steel outer jacket, silver plated BeCu inner conductor, and Teflon® dielectric
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| Part number |
Cable type |
Feedthrough
type |
Maximum
temperature |
Connector
type |
Maximum
frequency |
| K-085-K |
Stainless
semirigid
microwave coax |
Loss-less
compression
seal |
400 K |
K |
40 GHz |
| 2.5-085-2.4 |
2.4 mm |
50 GHz |
| 1.8-085-1.85 |
1.8 mm |
67 GHz |
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| SAMPLE HOLDERS (CHUCKS) |
 Typical sample holder configuration characterized by:
- Leakage resistance between
- Top surface and guard
- Guard and ground
- Capacitance between
- Top surface and guard
- Guard and ground
Types of sample holders
- Grounded sample holder — sample mount surface at system ground
- Isolated sample holder—backside contact not needed; sample mount surface is electrically non-conductive and isolated from ground
- Coaxial sample holder—backside contact can be made; sample mount surface is isolated from ground
- Triaxial sample holder—guarded backside contact can be made; sample mount surface has guarded isolation from ground
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| Part number |
Measurement
configuration |
Separate Feedthrough
required
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Maximum sample
(diameter)
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Maximum
temperature |
| SH-1.00-G |
Grounded |
No |
Ø25 mm (1 in) |
475 K |
| SH-1.00-I |
Isolated |
400 K |
| SH-1.00-C |
Coaxial |
Yes* |
| SH-1.00-T |
Triaxial |
Yes** |
| SH-1.25-G |
Grounded |
No |
Ø31.8 mm (1.25 in) |
475 K |
| SH-1.25-I |
Isolated |
400 K |
| SH-1.25-C |
Coaxial |
Yes* |
| SH-1.25-T |
Triaxial |
Yes** |
| SH-2.00-G |
Grounded |
No |
Ø51 mm (2 in) |
475 K |
| SH-2.00-C |
Coaxial |
Yes* |
400 K |
| SH-2.00-T |
Triaxial |
Yes** |
| SH-4.00-4G |
Grounded |
No |
Ø10.2 mm (4 in) |
475 K |
| SH-4.00-4C |
Coaxial |
Yes* |
400 K |
| SH-4.00-4T |
Triaxial |
Yes** |
*Coaxial sample holders require one FT-BNC or FT-TRIAX feedthrough as listed below
**Triaxial sample holders require one FT-TRIAX feedthrough as listed below
HFTTP4 and VFTTP4 have maximum temperature range of 400 K |
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| Add for CRTTP6-4K Probe Station only |
| Part number |
Measurement
configuration |
Separate Feedthrough
required |
Maximum sample
(diameter) |
Maximum
voltage
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Maximum
temperature |
Change in temperature at 4.2 K |
| SH-1.25-G |
Grounded |
No |
Ø31.8 mm (1.25 in) |
NA |
350 K |
0 K |
| SH-1.25-I |
Isolated |
NA |
350 K† |
1.5 K |
| SH-1.25-C |
Coaxial |
Yes* |
70 V |
| SH-1.25-T |
Triaxial |
Yes** |
2 K |
| SH-2.00-G |
Grounded |
No |
Ø51 mm (2 in) |
NA |
350 K† |
0.5 K |
| SH-2.00-C |
Coaxial |
Yes* |
70 V |
350 K† |
1.5 K |
| SH-2.00-C-HT |
Coaxial |
Yes* |
475 K†† |
| SH-2.00-T |
Triaxial |
Yes** |
350 K† |
2 K |
* Coaxial sample holders require one FT-BNC or FT-TRIAX feedthrough as listed below
**Triaxial sample holders require one FT-TRIAX feedthrough as listed below
† Selectable equipment
†† Selectable equipment; high temperature coaxial sample holder limits low end temperature to 50 K (base), 55 K (control);
requires option PS-HTA-CRTTP6 (purchased separately) |
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| Part number (probe body) |
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| FT-BNC |
Coaxial feedthrough and coax cable, installed and wired |
| FT-TRIAX |
Triaxial feedthrough and coax cable, installed and wired |
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