Radiation shielding of electronics using artificially created magnetic fields
A semiconductor chip radiation shielding system may include a computing device including a semiconductor chip and a voltage supply that is configured to provide a supply voltage. The semiconductor chip radiation shielding system may include a solenoid that generates a magnetic field covering the computing device to prevent energetic radiation particles from affecting performance of the semiconductor chip included in the computing device. The supply voltage provided by the voltage supply may be applied across the solenoid to pass current through the solenoid, resulting in the solenoid generating the magnetic field around the semiconductor chip.
1 . A semiconductor chip radiation shielding system, comprising:
a computing device including a semiconductor chip;
a voltage supply that is configured to provide a supply voltage; and
a solenoid generating a magnetic field that covers the computing device to prevent energetic radiation particles from affecting performance of the semiconductor chip included in the computing device, wherein the supply voltage provided by the voltage supply is applied across the solenoid to pass current through the solenoid, resulting in the solenoid generating the magnetic field around the semiconductor chip.
2 . The semiconductor chip radiation shielding system of claim 1 , wherein a variable, programmable or adjustable resistor is connected in series with the solenoid to adjust the current passed through the solenoid to decrease or increase a magnitude of the generated magnetic field.
3 . The semiconductor chip radiation shielding system of claim 2 , wherein:
the magnitude of the generated magnetic field is increased in situations in which a radiation level is high or in situations in which an operation performed in the semiconductor chips is critical; and
the current passing through the solenoid may be decreased or turned off when the semiconductor chip is not performing any operations or the operation performed by the semiconductor chip is non-critical.
4 . The semiconductor chip radiation shielding system of claim 1 , wherein:
a coil of wires surrounding and covering the semiconductor chip is made of a material used to make the computing device to shield the computing device from radiation so that the material also acts a radiation shield in conjunction with the magnetic field the coil of wires is generating; and
the coil of wires is made of multiple layers of coiled wires to provide radiation shielding over a full length of the computing device.
5 . The semiconductor chip radiation shielding system of claim 1 , wherein:
the solenoid is connected in series with the computing device so that the current consumed by the computing device also passes through the solenoid; and
the current consumed by the computing device is passed through the solenoid to increase a magnitude of the magnetic field.
6 . The semiconductor chip radiation shielding system of claim 5 , wherein a filtering circuit is positioned between the solenoid and the computing device to prevent noise and current or voltage spikes from moving from the solenoid to the computing device or vice versa.
7 . The semiconductor chip radiation shielding system of claim 6 , wherein the filtering circuit is a low-pass filter, a high-pass filter, or a decoupling capacitor.
8 . The semiconductor chip radiation shielding system of claim 5 , wherein a voltage regulator is positioned between the solenoid and the computing device to regulate the supply voltage being applied to the computing device, the voltage regulator removing noise induced by the solenoid, wherein:
a higher voltage is applied to the solenoid because a lower voltage is not available or to compensate for a voltage drop on the solenoid; and
the voltage regulator positioned between the solenoid and the computing device regulates the supply voltage and decreases the supply voltage to a voltage level used by the semiconductor chip of the computing device.
9 . The semiconductor chip radiation shielding system of claim 8 , wherein two or more voltage regulators are connected to the solenoid in which each of the voltage regulators generates a respective voltage at the voltage level used by the semiconductor chip.
10 . The semiconductor chip radiation shielding system of claim 5 , wherein a greater supply voltage is applied to the solenoid to compensate for the voltage dropped on the solenoid.
11 . The semiconductor chip radiation shielding system of claim 5 , wherein the voltage supply connected to the solenoid is a Voltage Drain-to-Drain (VDD) supply configured to provide a high-voltage supply voltage.
12 . The semiconductor chip radiation shielding system of claim 5 , wherein the voltage supply connected to the solenoid is a Voltage Supply Source (VSS) supply configured to provide a low-voltage supply voltage.
13 . The semiconductor chip radiation shielding system of claim 1 , wherein two or more semiconductor chips are mounted next to each other or on different sides of a printed circuit board so that the two or more semiconductor chips are shielded from radiation using the solenoid.
14 . The semiconductor chip radiation shielding system of claim 1 , wherein the solenoid includes a greater number of wire coil turns to generate a larger magnetic field.
15 . The semiconductor chip radiation shielding system of claim 1 , further comprising a second solenoid oriented in a second orientation direction different from a first orientation direction of the solenoid such that the semiconductor chip of the device is shielded from incoming radiation from the second orientation direction and the first orientation direction.
16 . The semiconductor chip radiation shielding system of claim 1 , wherein:
the semiconductor chip of the device is located at least partially outside of the solenoid; and
the semiconductor chip is partially wrapped within the solenoid and is at least partially oriented in a direction corresponding to an orientation direction of the solenoid.
17 . The semiconductor chip radiation shielding system of claim 1 , wherein the solenoid is irregular, non-linear, or non-uniform.
18 . The semiconductor chip radiation shielding system of claim 1 , wherein the semiconductor chip is protected by passive shielding.