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Line-up of Probes

For STM and Multi-Probe Electrical Measurement

Platiniridium Probes (Mechanical Grind)

Image of Platiniridium Probes (mechanical grind)
Type P-50 PtIr
Shape Cone shape
Wire rod Polycrystalline PtIr 0.50 mm dia.
Length 10 mm
Polishing Mechanical grind
Curvant radius about 50 nm (without the guarantees)
Use STM measurement/multi-probe electrical contact measurement
Sales unit 1 set for 10 probes

<Notice>
Due to the limited production capacity, we need to ask that we can not sell this to anyone except Unisoku SPM system users.
Even for Unisoku users, the number of orders is limited to only 1 package at once.
Thank you for your understanding.

Tungsten Probes

Tungsten Probes P-100WS
Type P-100W
Shape Cone shape
Wire Rod Polycrystalline Tungsten 0.25 mm dia.
Length about 10 mm
Polishing Electro-polishing
Curvant Radius <35 nm
Use STM measurement
Sales Unit 1 set for 10 probes
Note Oxide layer on the surface is not removed.

Ni Probes

Ni Probes P-100Ni
Type P-100Ni(S)
Shape Cone shape
Wire Rod Polycrystalline Ni 0.25 mm dia.
Length about 10 mm
Polishing Electro-polishing
Curvant Radius <25 nm
Use STM measurement

* It's possible to make a special order of Au or Ag coating probes. (Coating thickness: about 100 nm)

Sales Unit 1 set for 10 probes
Note STM observation in magnetic field is not allowed.

Platiniridium Probes (Electro-polishing)

Platiniridium Probes (Electro-polishing) P-100PtIr(S) Distribution of tip apex radius
Type P-100PtIr(S)
Shape Cone shape
Wire Rod Polycrystalline PtIr 0.50 mm dia.
Length about 10 mm
Polishing Electro-polishing after mechanical grind
Curvant Radius <20 nm
Use STM measurement
Sales Unit 1 set for 10 probes

<Notice>
Due to the limited production capacity, we need to ask that we can not sell this to anyone except Unisoku SPM system users.
Even for Unisoku users, the number of orders is limited to only 1 package at once.
Thank you for your understanding.

Tungsten Probes

Tungsten Probes P-100WP
Type P-100W
Shape Cone shape
Wire Rod Polycrystalline Tungsten 0.25 mm dia.
Length about 10 mm
Polishing Electro-polishing
Curvant Radius <35 nm
Use Multi-Probe Electrical Contact Measurement
Sales Unit 1 set for 10 probes
Note for the measurement that influence of the contact resistance is small (Oxide layer on the surface is not removed.)

Ni Probes

Ni Probes P-100Ni
Type P-100Ni(S)
Shape Cone shape
Wire Rod Polycrystalline Ni 0.25 mm dia.
Length about 10 mm
Polishing Electro-polishing
Curvant Radius <25 nm
Use STM measurement and Multi-probe electrical contact measurement

* It's possible to make a special order of Au or Ag coating probes. (Coating thickness: about 100 nm)

Sales Unit 1 set for 10 probes

Platiniridium Probes (Electro-polishing)

Platiniridium Probes (Electro-polishing) P-100PtIr(P)
Type P-100PtIr(P)
Shape Cone shape
Wire Rod Polycrystalline PtIr 0.50 mm dia.
Length about 10 mm
Polishing Electro-polishing after mechanical grind
Curvant Radius <20 nm
Use Multi-probe electrical contact measurement (low contact resistance)
Sales Unit 1 set for 10 probes
Note Low contact resistance

<Notice>
Due to the limited production capacity, we need to ask that we can not sell this to anyone except Unisoku SPM system users.
Even for Unisoku users, the number of orders is limited to only 1 package at once.
Thank you for your understanding.