# US 12,180,077 B2 · Tailorable polyorbital-hybrid ceramics

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- Number: US 12,180,077 B2
- Document ID: US12180077B2
- Status: Granted
- Kind: B2
- Application number: 16/721,296
- Filed: 2019-12-19
- Published: 2020-04-23
- Granted: 2024-12-31
- Earliest claimed: 2017-05-12
- Assignees: Lockheed Martin Corporation
- Applicants: Lockheed Martin Corporation
- Inventors: David Glen Findley
- Web page: https://patentgrep.com/patent/US12180077B2

## CPC

- C01B 33/021: Preparation (chemical coating from the vapour phase C23C16/00)
- C01B 32/05: Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
- C01B 32/956: Silicon carbide
- H02K 1/02: characterised by the magnetic material
- H02K 15/021: Magnetic cores
- C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C}
- H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53})

## Abstract

In an embodiment, a method includes producing a mixed feedstock of at least three halogenated monomer feedstocks. A first of the at least three halogenated monomer feedstocks includes an SP3 carbon, a second of the at least three halogenated monomer feedstocks includes an SP2 carbon, and a third of the at least three halogenated monomer feedstocks includes at least two SP1 carbons. The method further includes producing a polyorbital-hybrid pre-ceramic polymer comprising the SP1 carbons, the SP2 carbon, and the SP3 carbon. The polyorbital-hybrid pre-ceramic polymer is produced by reducing the mixed feedstock such that one or more halogen atoms are removed from the mixed feedstock. The method also includes fabricating the polyorbital-hybrid pre-ceramic polymer into a greenware form and producing a polyorbital-hybrid ceramic carbon comprising the SP1 carbons, the SP2 carbon, and the SP3 carbon. The polyorbital-hybrid ceramic carbon is produced by thermolyzing the polyorbital pre-ceramic polymer.

## Claims

### Claim 1

A method, comprising:
producing a mixed feedstock of at least three halogenated monomer feedstocks, wherein a first of the at least three halogenated monomer feedstocks includes an SP3 silicon, a second of the at least three halogenated monomer feedstocks includes an SP2 silicon, and a third of the at least three halogenated monomer feedstocks includes an SP1 silicon;
producing a polyorbital-hybrid pre-ceramic polymer comprising the SP1 silicon, the SP2 silicon, and the SP3 silicon, wherein the polyorbital-hybrid pre-ceramic polymer is produced by reducing the mixed feedstock such that a halogen atom is removed from the mixed feedstock;
fabricating the polyorbital-hybrid pre-ceramic polymer into a greenware form; and
producing a polyorbital-hybrid ceramic silicon comprising the SP1 silicon, the SP2 silicon, and the SP3 silicon, wherein the polyorbital-hybrid ceramic silicon is produced by thermolyzing the polyorbital pre-ceramic polymer.

### Claim 2 (depends on 1)

The method of claim 1, wherein the first of the at least three halogenated monomer feedstocks comprises trichlorosilane.

### Claim 3 (depends on 1)

The method of claim 1, wherein the second of the at least three halogenated monomer feedstocks comprises trichloro (disilene) silane.

### Claim 4 (depends on 1)

The method of claim 1, wherein the third of the at least three halogenated monomer feedstocks comprises trichloro (disilyne) silane.

### Claim 5 (depends on 1)

The method of claim 1, wherein the polyorbital-hybrid preceramic polymer is thermolyzed within a temperature range of 100 degrees Celsius to 900 degrees Celsius.

### Claim 6 (depends on 1)

The method of claim 1, wherein the polyorbital-hybrid pre-ceramic polymer is produced without using a laser.

### Claim 7

A polyorbital-hybrid ceramic silicon, comprising:
an SP1 silicon;
an SP2 silicon; and
an SP3 silicon.

### Claim 8 (depends on 7)

The polyorbital-hybrid ceramic silicon of claim 7, wherein the SP1 silicon, the SP2 silicon, and the SP3 silicon are derived from a mixed feedstock of at least three halogenated monomer feedstocks, wherein a first of the at least three halogenated monomer feedstocks includes the SP3 silicon, a second of the at least three halogenated monomer feedstocks includes the SP2 silicon, and a third of the at least three halogenated monomer feedstocks includes the SP1 silicon.

### Claim 9 (depends on 7)

The polyorbital-hybrid ceramic silicon of claim 7, wherein the first of the at least three halogenated monomer feedstocks comprises trichlorosilane.

### Claim 10 (depends on 7)

The polyorbital-hybrid ceramic silicon of claim 7, wherein the second of the at least three halogenated monomer feedstocks comprises trichloro (disilene) silane.

### Claim 11 (depends on 7)

The polyorbital-hybrid ceramic silicon of claim 7, wherein the third of the at least three halogenated monomer feedstocks comprises trichloro (disilyne) silane.

### Claim 12 (depends on 7)

The polyorbital-hybrid ceramic silicon of claim 7, wherein the polyorbital-hybrid ceramic silicon is derived from a thermalization of a polyorbital-hybrid pre-ceramic polymer comprising the SP1 silicon, the SP2 silicon, and the SP3 silicon.

### Claim 13 (depends on 12)

The polyorbital-hybrid ceramic silicon of claim 12, wherein the polyorbital-hybrid pre-ceramic polymer is derived from a reduction of a mixed feedstock of at least three halogenated monomer feedstocks such that a halogen atom is removed from the mixed feedstock.

### Claim 14 (depends on 13)

The polyorbital-hybrid ceramic silicon of claim 13, wherein:
the mixed feedstock comprises respective first percentages of the SP1 silicon, the SP2 silicon, and the SP3 silicon;
the polyorbital-hybrid pre-ceramic polymer comprises respective second percentages of the SP1 silicon, the SP2 silicon, and the SP3 silicon; and
the respective first percentages are approximately equal to the respective second percentages.

### Claim 15 (depends on 12)

The polyorbital-hybrid ceramic silicon of claim 12, wherein the thermalization of the polyorbital-hybrid preceramic polymer occurs within a temperature range of 100 degrees Celsius to 900 degrees Celsius.

### Claim 16 (depends on 12)

The polyorbital-hybrid ceramic silicon of claim 12, wherein the polyorbital-hybrid pre-ceramic polymer is derived without using a laser.
