G01K15/005

Adaptive method for calibrating multiple temperature sensors on a single semiconductor die

A system is disclosed, including an interface to a DUT and a testing apparatus. The DUT includes a first plurality of temperature sensing circuits. The testing apparatus may store a plurality of control values. Each control value may depend on at least two calibration values of corresponding temperature sensing circuits of a second plurality of temperature sensing circuits. The testing apparatus may generate a plurality of calibration values for the DUT. Each calibration value corresponds to one of the first plurality of temperature sensing circuits. The testing apparatus may determine a plurality of test values for the DUT. The testing apparatus may calculate a probability value, and repeat generation of the plurality of calibration values upon determining that the probability value is less than a predetermined threshold value. The probability value corresponds to a likelihood that the plurality of calibration values is accurate.

Systems and methods for smart thermocouple temperature probe

A system includes a measurement instrument including a first connector, a control module, and a display. A temperature probe includes a shaft and a tip. A second connector is coupled to a first end of the shaft. The tip is coupled to a second end of the shaft and measures a change in temperature of a sample. The second connector is received by the first connector when the temperature probe is attached to the measurement instrument. A storage module is housed within the second connector and stores parameters of the temperature probe. The control module receives the parameters, prompts a user to select the sample on the display, and determines a thermal conductivity and a stable time of the sample. When the stable time has elapsed, the control module determines a temperature measurement based on a change in voltage and displays the temperature measurement on the display.

DEVICE AND METHOD FOR CALIBRATING ELONGATED METALLURGICAL TOOL BASED ON LASER RANGING SENSOR

A method for calibrating an elongated metallurgical tool based on a laser distance sensor (6). A temperature measurement/sampling tool (3) is driven by an industrial robot (1) so that a standard temperature measurement/sampling gun (4) enters a calibration area, the standard temperature measurement/sampling gun (4) reciprocates at the vicinity of a laser distance sensor (6), the standard axis is obtained by using a vector on a generatrix of the standard temperature measurement/sampling gun (4) based on the laser distance sensor (6), the position and orientation of the temperature measurement/sampling tool (3) is adjusted so that the axis of the standard temperature measurement/sampling gun (4) is parallel to the set standard axis, and moreover, positioning and identification is performed on an end TCP point of the temperature measurement/sampling tool (3) to obtain a tool coordinate system corresponding to the temperature measurement/sampling tool (3), and deformation of the standard temperature measurement/sampling gun (4) can be detected in the calibration process, to ensure the accuracy and stability of system operation of the industrial robot (1). In addition, also provided is a device for calibrating an elongated metallurgical tool based on a laser distance sensor (6).

TEMPERATURE SENSING DEVICE AND CALIBRATION METHOD THEREOF
20230221191 · 2023-07-13 ·

The present disclosure provides a temperature sensing device and a calibration method thereof. The temperature sensing device includes a current generation circuit, an analog-to-digital conversion (ADC) circuit and a processing circuit. The calibration method includes: by the current generation circuit, generating a temperature dependent current according to a temperature of a tested object, wherein the temperature dependent current is dependent on a reference current passing through an adjustable resistor of the current generation circuit; by the ADC circuit, performing an analog-to-digital conversion according to the temperature dependent current to generate a sensing value; by the processing circuit, comparing the sensing value with an ideal value; and by the processing circuit, adjusting a resistance value of the adjustable resistor according to a comparison result of the sensing value and the ideal value, so that the sensing value equals the ideal value.

Optical temperature measurements in photonic circuits
11698308 · 2023-07-11 · ·

Temperature measurements of photonic circuit components may be performed optically, exploiting a temperature-dependent spectral property of the photonic device to be monitored itself, or of a separate optical temperature sensor placed in its vicinity. By facilitating measurements of the temperature of the individual photonic devices rather than merely the photonic circuit at large, such optical temperature measurements can provide more accurate temperature information and help improve thermal design.

Methods and apparatus to trim temperature sensors

Methods, apparatus, systems and articles of manufacture to trim temperature sensors are disclosed. An example method includes: sampling a first value indicative of a temperature of a first die of a multi-chip module (MCM) with a first temperature sensor, the first die including a first transistor having a channel including a first material; and calibrating a second temperature sensor configured to sample a second value indicative of a temperature of a second die including a second transistor have a second channel including a second material, the calibrating based on the first value.

TEMPERATURE CONTROLLER

The inventive concepts provide a temperature controller for performing a comparative measurement process and a sensing calibration process without separating a temperature sensor and an input channel, if a comparative measurement process and a sensing calibration process of a temperature sensor for controlling a temperature of a semiconductor manufacturing facility are performed.

VERTICAL LIGHT-EMITTING DIODE CHIP STRUCTURE CAPABLE OF MEASURING TEMPERATURE AND TEMPERATURE MEASUREMENT CALIBRATION METHOD THEREOF
20230213394 · 2023-07-06 ·

The invention relates to a vertical light-emitting diode chip structure capable of measuring temperature and a temperature measurement calibration method thereof. A semiconductor epitaxial structure and a metal film resistance temperature measurement structure are separately arranged on the upper plane of a transverse high thermal conductivity extension structure. Through the high thermal conductivity characteristic of the transverse high thermal conductivity extension structure, the temperature of an active layer of the semiconductor epitaxial structure can be quickly transferred to the metal film resistance temperature measurement structure. The temperature measurement calibration method comprises: placing a plurality of connected and uncut package support plates into a constant temperature device at the same time to obtain a temperature calibration relation for different package support plates at the same time to reduce the temperature calibration cost in a batch mass production mode.

Integrated bandgap temperature sensor

Absolute temperature measurements of integrated photonic devices can be accomplished with integrated bandgap temperature sensors located adjacent the photonic devices. In various embodiments, the temperature of the active region within a diode structure of a photonic device is measured with an integrated bandgap temperature sensor that includes one or more diode junctions either in the semiconductor device layer beneath the active region or laterally adjacent to the photonic device, or in a diode structure formed above the semiconductor device layer and adjacent the diode structure of the photonic device.

SELF-CHECK PROTOCOL FOR USE BY EAR-WEARABLE ELECTRONIC DEVICES

An ear-wearable electronic device includes one or more processors configured to detect presence of first and second hearing devices in a charging case, and to initiate a self-check protocol by at least one of the first and second hearing devices. The self-check protocol comprises wirelessly coupling the first and second hearing devices, selectively activating at least one electronic component of the first hearing device, and assessing performance of the second hearing device using an output or a response of the at least one electronic component of the first hearing device. The self-check protocol also comprises selectively activating at least one electronic component of the second hearing device, assessing performance of the first hearing device using an output or a response of the at least one electronic component of the second device, and storing results of the performance assessment in a memory.