Temperature measuring device using a matrix switch, a semiconductor package and a cooling system
First Claim
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1. A temperature measuring device comprising:
- a semiconductor device;
temperature sensors arranged on a surface of the semiconductor device;
a matrix switch to select the temperature sensors by an address to form a circuit that includes the selected temperature sensor, and to output an output signal of the selected temperature sensor; and
a measuring unit to receive the output signal and to calculate the temperature at the selected temperature sensor.
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Abstract
An embodiment relates to a temperature measuring device using a matrix switch, and a semiconductor package. In another embodiment a cooling system may be included. A plurality of temperature sensors may be arranged on a surface of a semiconductor device. The matrix switch may select the temperature sensors by an address method to form a circuit that includes the selected temperature sensor. A measuring unit may receive an output signal of the selected temperature sensor to calculate the temperature at the selected temperature sensor.
26 Citations
20 Claims
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1. A temperature measuring device comprising:
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a semiconductor device;
temperature sensors arranged on a surface of the semiconductor device;
a matrix switch to select the temperature sensors by an address to form a circuit that includes the selected temperature sensor, and to output an output signal of the selected temperature sensor; and
a measuring unit to receive the output signal and to calculate the temperature at the selected temperature sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A device comprising:
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a semiconductor chip having a temperature sensing unit; and
an external connection terminal electrically connected to the semiconductor chip and having a temperature output terminal to transmit an output signal output from the temperature sensing unit to outside the semiconductor chip, wherein the temperature sensing unit includes a plurality of temperature sensors arranged on a surface of the semiconductor chip, and a matrix switch to select the temperature sensors by an address to form a closed loop that includes the selected temperature sensor, and to output an output signal of the selected temperature sensor to the temperature output terminal. - View Dependent Claims (12, 13, 14, 15)
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16. A method of detecting temperatures of a semiconductor device comprising:
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placing temperature sensors on a surface of the semiconductor device in a matrix configuration, each of the temperature sensors addressable by corresponding row and column addresses;
selectively connecting the temperature sensors using the row and column addresses to a measuring unit;
receiving output signals from the connected temperature sensors by the measuring unit;
converting the received output signals to temperature values; and
outputting the temperature values. - View Dependent Claims (17, 18, 19, 20)
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Specification