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Table 3 Specification of temperature sensors for in vivo application

From: A current-mode system to self-measure temperature on implantable optoelectronics

Specifications

[11]

[12]

[13]

[14]

This work

Temperature-sensing device

Poly-Si RTD

Au resistor

On neural probe

Poly-Si RTD

Pt-based RTD

On optrode

LED as a self-sensor

Temperature-sensing parameter

Resistance

Resistance

Resistance

Resistance

LED reverse current

Region of sensing

Brain tissue

Brain tissue and retina

Myocardium

Brain tissue

Brain tissue

Temperature range (°C)

30 to 45

18 to 42

15 to 70

0 to 60

0 to +45

Resolution (°C)

0.1

0.19

0.2

Complexity and process

Micromachining

Micromachining

Micromachining

Micromachining

CMOS only