High voltage nanosecond pulser with variable pulse width and pulse repetition frequency
First Claim
1. A nanosecond pulser comprising:
- a circuit board;
one or more switch circuits including one or more solid state switches;
a transformer comprising;
a first transformer core;
a second transformer core;
a first primary winding wound at least partially around a portion of the first transformer core, each of the one or more switch circuits are coupled with at least a portion of the first primary winding; and
a secondary winding wound at least partially around a portion of the first transformer core and a portion of the second transformer core; and
an output electrically coupled with the secondary winding that outputs electrical pulses having a peak voltage greater than about 1 kilovolt and a rise time of less than 150 nanoseconds;
wherein the first transformer core comprises a first hole having a central axis;
wherein the second transformer core comprises a second hole having a central axis;
wherein the circuit board comprises a circuit board hole having a central axis that is aligned with the central axis of the first hole of the first transformer and the central axis of the second hole of the second transformer; and
wherein the secondary winding passes through the first hole in the first transformer core, the second hole in the second transformer core, and the circuit board hole in the circuit board.
2 Assignments
0 Petitions
Accused Products
Abstract
A nanosecond pulser is disclosed. In some embodiments, the nanosecond pulser may include one or more switch circuits including one or more solid state switches, a transformer, and an output. In some embodiments, the transformer may include a first transformer core, a first primary winding wound at least partially around a portion of the first transformer core, and a secondary winding wound at least partially around a portion of the first transformer core. In some embodiments, each of the one or more switch circuits are coupled with at least a portion of the first primary winding. In some embodiments, the output may be electrically coupled with the secondary winding and outputs electrical pulses having a peak voltage greater than about 1 kilovolt and a rise time of less than 150 nanoseconds or less than 50 nanoseconds.
58 Citations
21 Claims
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1. A nanosecond pulser comprising:
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a circuit board; one or more switch circuits including one or more solid state switches; a transformer comprising; a first transformer core; a second transformer core; a first primary winding wound at least partially around a portion of the first transformer core, each of the one or more switch circuits are coupled with at least a portion of the first primary winding; and a secondary winding wound at least partially around a portion of the first transformer core and a portion of the second transformer core; and an output electrically coupled with the secondary winding that outputs electrical pulses having a peak voltage greater than about 1 kilovolt and a rise time of less than 150 nanoseconds; wherein the first transformer core comprises a first hole having a central axis; wherein the second transformer core comprises a second hole having a central axis; wherein the circuit board comprises a circuit board hole having a central axis that is aligned with the central axis of the first hole of the first transformer and the central axis of the second hole of the second transformer; and wherein the secondary winding passes through the first hole in the first transformer core, the second hole in the second transformer core, and the circuit board hole in the circuit board. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A nanosecond pulser comprising:
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a first circuit board; a first switch circuit; a first transformer core; a first primary winding electrically coupled with the first switch circuit and wrapped at least partially around the first transformer core; a second switch circuit; a second transformer core disposed adjacent to the first transformer core; a second primary winding electrically coupled with the second switch circuit and wrapped at least partially around the second transformer core; a secondary winding wrapped around the first transformer core and the second transformer core; and an output coupled with the secondary winding; wherein the first transformer core comprises a first hole; wherein the second transformer core comprises a second hole; wherein the first circuit board comprises a first circuit board hole having a central axis that is aligned with a central axis of the first hole of the first transformer and a central axis of the second hole of the second transformer; and wherein the secondary winding passes through the first hole in the first transformer core, the second hole in the second transformer core, and the first circuit board hole in the first circuit board. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A nanosecond pulser comprising:
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a circuit board; one or more switch circuits including one or more solid state switches; a fast capacitor disposed in series with the switch circuit; a transformer comprising; a first transformer core; a second transformer core; a first primary winding wound at least partially around a portion of the first transformer core, each of the one or more switch circuits are coupled with at least a portion of the first primary winding; and a secondary winding wound at least partially around a portion of the first transformer core and a portion of the second transformer core; and an output electrically coupled with the secondary winding that outputs electrical pulses having a peak voltage greater than about 1 kilovolt and a rise time of less than about 150 nanoseconds; wherein the first transformer core comprises a first hole; wherein the second transformer core comprises a second hole; wherein the circuit board comprises a circuit board hole that is aligned with the first hole of the first transformer and the second hole of the second transformer; and wherein the secondary winding passes through the first hole in the first transformer core, the second hole in the second transformer core, and the circuit board hole in the circuit board. - View Dependent Claims (19, 20, 21)
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Specification