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 hole;
wherein the second transformer core comprises a hole;
wherein the circuit board comprises a hole that is aligned with the hole of the first transformer and the hole of the second transformer; and
wherein the secondary winding passes through the hole in the first transformer core, the hole in the second transformer core, and the 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.
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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 hole; wherein the second transformer core comprises a hole; wherein the circuit board comprises a hole that is aligned with the hole of the first transformer and the hole of the second transformer; and wherein the secondary winding passes through the hole in the first transformer core, the hole in the second transformer core, and the 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 hole; wherein the second transformer core comprises a hole; wherein the first circuit board comprises a hole that is aligned with the hole of the first transformer and the hole of the second transformer; and wherein the secondary winding passes through the hole in the first transformer core, the hole in the second transformer core, and the 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 hole; wherein the second transformer core comprises a hole; wherein the circuit board comprises a hole that is aligned with the hole of the first transformer and the hole of the second transformer; and wherein the secondary winding passes through the hole in the first transformer core, the hole in the second transformer core, and the hole in the circuit board. - View Dependent Claims (19, 20, 21)
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Specification