Three-dimensional printed capacitors
In one example in accordance with the present disclosure, an additive manufacturing system is described. The additive manufacturing system includes an additive manufacturing device to form a three-dimensional (3D) printed object. The additive manufacturing system also includes a controller to form a 3D printed capacitor on a body of the 3D printed object. The controller does this by controlling deposition of a conductive agent to form electrodes of the 3D printed capacitor and by controlling deposition of a dielectric agent in a dielectric region between the electrodes of the 3D printed capacitor.
1 . A method for additively manufacturing a three-dimensional (3D) printed object comprising:
sequentially depositing and selectively fusing layers of build material to form slices of the 3D printed object; and
forming a 3D printed capacitor within a body of the 3D printed object by:
depositing and selectively fusing one or more layers of a conductive agent to form a first electrode and a second electrode of the 3D printed capacitor; and
depositing and selectively fusing one or more layers of a dielectric agent to form a dielectric region between the first electrode and the second electrode of the 3D printed capacitor,
wherein sequentially depositing and selectively fusing the layers of the build material to form the slices of the 3D printed object also forms a first continuous barrier region between the first electrode and the dielectric region and a second continuous barrier region between the second electrode and the dielectric region,
and wherein a degree of fusing is varied in additively manufacturing the 3D printed object.
2 . The method of claim 1 , wherein varying the degree of fusing in additively manufacturing the 3D printed object achieves a target capacitance for the 3D printed capacitor.
3 . The method of claim 1 , wherein depositing and selectively fusing the one or more layers of the dielectric agent to form the dielectric region further comprises at least one of:
underfusing a powdered build material between the first electrode and the second electrode;
forming an air pocket between the first electrode and the second electrode; and
doping the powdered build material between the first electrode and the second electrode with the dielectric agent.
4 . The method of claim 3 , wherein doping of the powdered build material between the first electrode and the second electrode comprises doping the powdered build material with multiple dielectric agents including the dielectric agent.
5 . The method of claim 1 , wherein the first electrode and the second electrode are vertically oriented within a build area of an additive manufacturing device.
6 . The method of claim 1 , wherein portions of at least one of the slices of the 3D printed object respectively correspond to the first electrode, the second electrode, and the dielectric region,
wherein depositing and selectively fusing the one or more layers of the conductive agent comprises depositing the conductive agent on the portions of the at least one of the slices of the 3D printed object that correspond to the first electrode and the second electrode,
and wherein depositing and selectively fusing the one or more layers of the dielectric agent comprises depositing the dielectric agent on the portions of the at least one of the slices of the 3D printed object that correspond to the dielectric region.
7 . The method of claim 1 , wherein the dielectric agent deposited in the dielectric region is mixed with a fusing agent prior to selectively fusing the dielectric agent.
8 . A non-transitory computer-readable data storage medium storing instructions executable by a processor to perform a processing for additively manufacturing a three-dimensional (3D) printed object comprising:
sequentially depositing and selectively fusing layers of build material to form slices of the 3D printed object; and
forming a 3D printed capacitor within a body of the 3D printed object by:
depositing and selectively fusing one or more layers of a conductive agent to form a first electrode and a second electrode of the 3D printed capacitor; and
depositing and selectively fusing one or more layers of a dielectric agent to form a dielectric region between the first electrode and the second electrode of the 3D printed capacitor,
wherein sequentially depositing and selectively fusing the layers of the build material to form the slices of the 3D printed object also forms a first continuous barrier region between the first electrode and the dielectric region and a second continuous barrier region between the second electrode and the dielectric region,
and wherein a degree of fusing is varied in additive manufacturing of the 3D printed object.
9 . The non-transitory computer-readable data storage medium of claim 8 , wherein varying the degree of fusing in additively manufacturing the 3D printed object achieves a target capacitance for the 3D printed capacitor.
10 . The non-transitory computer-readable data storage medium of claim 8 , wherein depositing and selectively fusing the one or more layers of the dielectric agent to form the dielectric region further comprises at least one of:
underfusing a powdered build material between the first electrode and the second electrode;
forming an air pocket between the first electrode and the second electrode; and
doping the powdered build material between the first electrode and the second electrode with the dielectric agent.
11 . The non-transitory computer-readable data storage medium of claim 10 , wherein doping of the powdered build material between the first electrode and the second electrode comprises doping the powdered build material with multiple dielectric agents including the dielectric agent.
12 . The non-transitory computer-readable data storage medium of claim 8 , wherein the first electrode and the second electrode are vertically oriented within a build area of an additive manufacturing device.
13 . The non-transitory computer-readable data storage medium of claim 8 , wherein portions of at least one of the slices of the 3D printed object respectively correspond to the first electrode, the second electrode, and the dielectric region,
wherein depositing and selectively fusing the one or more layers of the conductive agent comprises depositing the conductive agent on the portions of the at least one of the slices of the 3D printed object that correspond to the first electrode and the second electrode,
and wherein depositing and selectively fusing the one or more layers of the dielectric agent comprises depositing the dielectric agent on the portions of the at least one of the slices of the 3D printed object that correspond to the dielectric region.
14 . The non-transitory computer-readable data storage medium of claim 8 , wherein the dielectric agent deposited in the dielectric region is mixed with a fusing agent prior to selectively fusing the dielectric agent.
15 . An additive manufacturing system comprising:
a processor; and
a memory storing instructions executable by the processor to perform a processing for additively manufacturing a three-dimensional (3D) printed object comprising:
sequentially depositing and selectively fusing layers of build material to form slices of the 3D printed object; and
forming a 3D printed capacitor within a body of the 3D printed object by:
depositing and selectively fusing one or more layers of a conductive agent to form a first electrode and a second electrode of the 3D printed capacitor; and
depositing and selectively fusing one or more layers of a dielectric agent to form a dielectric region between the first electrode and the second electrode of the 3D printed capacitor,
wherein sequentially depositing and selectively fusing the layers of the build material to form the slices of the 3D printed object also forms a first continuous barrier region between the first electrode and the dielectric region and a second continuous barrier region between the second electrode and the dielectric region,
and wherein a degree of fusing is varied in additive manufacturing of the 3D printed object.
16 . The additive manufacturing system of claim 15 , wherein varying the degree of fusing in additively manufacturing the 3D printed object achieves a target capacitance for the 3D printed capacitor.
17 . The additive manufacturing system of claim 15 , wherein depositing and selectively fusing the one or more layers of the dielectric agent to form the dielectric region further comprises at least one of:
underfusing a powdered build material between the first electrode and the second electrode;
forming an air pocket between the first electrode and the second electrode; and
doping the powdered build material between the first electrode and the second electrode with the dielectric agent.
18 . The additive manufacturing system of claim 17 , wherein doping of the powdered build material between the first electrode and the second electrode comprises doping the powdered build material with multiple dielectric agents including the dielectric agent.
19 . The additive manufacturing system of claim 15 , wherein the first electrode and the second electrode are vertically oriented within a build area of the additive manufacturing system.
20 . The additive manufacturing system of claim 15 , wherein portions of at least one of the slices of the 3D printed object respectively correspond to the first electrode, the second electrode, and the dielectric region,
wherein depositing and selectively fusing the one or more layers of the conductive agent comprises depositing the conductive agent on the portions of the at least one of the slices of the 3D printed object that correspond to the first electrode and the second electrode, p 1 and wherein depositing and selectively fusing the one or more layers of the dielectric agent comprises depositing the dielectric agent on the portions of the at least one of the slices of the 3D printed object that correspond to the dielectric region.