Method of making an embedded electromagnetic device
AssigneeThe Aerospace Corporation
InventorHenry Helvajian
Life of this patent
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Abstract
A photostructurable ceramic is processed using photostructuring process steps for embedding devices within a photostructurable ceramic volume, the devices may include one or more of chemical, mechanical, electronic, electromagnetic, optical, and acoustic devices, all made in part by creating device material within the ceramic or by disposing a device material through surface ports of the ceramic volume, with the devices being interconnected using internal connections and surface interfaces.
Claims11
A method of making an embedded magnet, comprising:
- photostructuring plumbing in a ceramic volume by selective laser exposure of the ceramic volume;
- and
- forming a magnet in the plumbing;
- wherein the step of forming the magnet in the plumbing comprises:
- providing an input conduit from the plumbing to an outer surface of the ceramic volume:
- injecting a magnetic material through the input conduit into the plumbing;
- curing the magnetic material in the plumbing in the presence of magnetic fields;
- and
- removing the magnetic material from the input conduit.
A method of making an embedded coil, comprising:
- photostructuring plumbing in a ceramic volume by selective laser exposure of the ceramic volume, wherein at least a portion of the plumbing in the ceramic volume is in the shape of a 3-dimensional coil;
- and
- forming an embedded coil in the plumbing,
- wherein the step of forming the embedded coil in the plumbing comprises:
- providing an input conduit from the plumbing to an outer surface of the ceramic volume;
- injecting a metallic material into the plumbing through the input conduit to the 3-dimensional coil;
- and
- curing the metallic material in the portion of the plumbing comprising the 3-dimensional coil to create the embedded coil;
- wherein the embedded coil is configured to receive a current from an external source through the input conduit and generate a magnetic field.
A method of making an embedded electromagnetic device, comprising:
- photostructuring plumbing in a ceramic volume by selective laser exposure of the ceramic volume;
- forming an electromagnetic device in the plumbing;
- providing an input conduit from the outer surface of the ceramic volume to the plumbing;
- removing the laser exposed portion of the ceramic volume in the plumbing to create at least one void in the plumbing;
- wherein the electromagnetic device is formed in the void in the plumbing;
- and
- filling at least a portion of the plumbing and the input conduit with an electrically conductive material to electrically couple the electromagnetic device to the outer surface of the ceramic volume.
A method of making an embedded electromagnetic device, comprising:
- photostructuring plumbing in a ceramic volume by selective laser exposure of the ceramic volume;
- forming an electromagnetic device in the plumbing;
- providing a conductor port on an outer surface of the ceramic volume;
- providing a conductor conduit within the ceramic volume, the conductor conduit providing a fluid path between the conductor port and the electromagnetic device;
- inserting a conducting material into the conductor conduit through the conductor port to generate a conductor between the electromagnetic device and a conductor interface disposed on the outer surface of the ceramic volume;
- and
- ablating at least a portion of the conducting material disposed in the conductor conduit with a laser to electrically isolate the conductor from the conductor port.
Dependencies are inferred from the claim text.