Joshua J Martin

US Patent:

20220327251, Oct 13, 2022

Filed:

Apr 13, 2022

Appl. No.:

17/720277

Inventors:

- Boston MA, US
Daniel T. Shores - Medford MA, US
Joshua J. Martin - Melrose MA, US
G. Karlo Delos Reyes - Somerville MA, US
Alan Charles Cramer - Lynnfield MA, US

International Classification:

G06F 30/12
G06F 30/17

Abstract:

Methods and systems for designing and manufacturing RF devices is provided. The disclosed methods allow for quick and efficient printing without having to generate a CAD file or the like to generate the build file. This can be achieved by receiving RF inputs, such as inputs generated from an RF simulation, and combining that with geometry design data, such as boundary geometry information that can include an outer geometry and size of the device to be printed. Further, the RF devices that are produced can use triply periodic minimal surface constructs as the base element of the device.

US Patent:

20220314273, Oct 6, 2022

Filed:

Aug 28, 2020

Appl. No.:

17/639148

Inventors:

- Boston MA, US
Randall M. Erb - Newton MA, US
Joshua J. Martin - Arlington MA, US

International Classification:

B05D 5/08
C09D 183/16
B05D 3/00
B05D 3/04
B05D 1/02
C09D 7/20
C09D 7/61
B29C 64/153
C08K 3/36
C08K 3/013

Abstract:

Methods for forming a coated digitally manufactured part include forming an article by a digital manufacturing method; coating a surface of the article with a reactive silicon-containing precursor polymer; and treating the polymer to form a silica-containing coating, thereby forming the coated digitally manufactured part. An article includes a digitally manufactured part having surface striations; and a coating encapsulating the digitally manufactured part and comprising silica. An article includes a digitally manufactured part (i) formed by selective lase sintering, (ii) comprising a surface defined by coalesced particles, and (iii) having a surface roughness Rof at least 0.1 microns; and a coating encapsulating the part and comprising silica. A composition comprising polysilazane is described.

US Patent:

20210141314, May 13, 2021

Filed:

Jan 14, 2021

Appl. No.:

17/149075

Inventors:

- Boston MA, US
Joshua J. Martin - Arlington MA, US
Randall M. Erb - Newton MA, US

International Classification:

G03F 9/00
G02F 1/11
B29C 64/188

Abstract:

Three-dimensional printing methods and systems use a derived geometry and aligns anisotropic inclusions in any orientation at any number of discrete volumetric sections. Structural, thermal, or geometry-based analyses are combined with inclusion alignment computations and print preparation methods and provided to 3D printers to produce composite material parts that meet demanding geometric needs as well as enhanced structural and thermal requirements. In one example, optimal inclusion alignment vectors associated with a section of the object are calculated based on specifications for the object, segmenting a three-dimensional model of the object into layer slices, grouping each section within each layer slice having similar alignment vectors and combining the groupings and generating printing instructions for the object according to the grouped alignment vectors.

US Patent:

20200326639, Oct 15, 2020

Filed:

Jun 25, 2020

Appl. No.:

16/912188

Inventors:

- Boston MA, US
Joshua J. Martin - Arlington MA, US
Randall M. Erb - Newton MA, US

International Classification:

G03F 9/00
G02F 1/11
B29C 64/188

Abstract:

Three-dimensional printing methods and systems use a derived geometry and aligns anisotropic inclusions in any orientation at any number of discrete volumetric sections. Structural, thermal, or geometry-based analyses are combined with inclusion alignment computations and print preparation methods and provided to 3D printers to produce composite material parts that meet demanding geometric needs as well as enhanced structural and thermal requirements. In one example, optimal inclusion alignment vectors associated with a section of the object are calculated based on specifications for the object, segmenting a three-dimensional model of the object into layer slices, grouping each section within each layer slice having similar alignment vectors and combining the groupings and generating printing instructions for the object according to the grouped alignment vectors.

US Patent:

20200050119, Feb 13, 2020

Filed:

Aug 5, 2019

Appl. No.:

16/531932

Inventors:

- Boston MA, US
Joshua J. Martin - Arlington MA, US
Randall M. Erb - Newton MA, US

International Classification:

G03F 9/00
B29C 64/188
G02F 1/11

Abstract:

Three-dimensional printing methods and systems use a derived geometry and aligns anisotropic inclusions in any orientation at any number of discrete volumetric sections. Structural, thermal, or geometry-based analyses are combined with inclusion alignment computations and print preparation methods and provided to 3D printers to produce composite material parts that meet demanding geometric needs as well as enhanced structural and thermal requirements. In one example, optimal inclusion alignment vectors associated with a section of the object are calculated based on specifications for the object, segmenting a three-dimensional model of the object into layer slices, grouping each section within each layer slice having similar alignment vectors and combining the groupings and generating printing instructions for the object according to the grouped alignment vectors.

US Patent:

20170136699, May 18, 2017

Filed:

Jun 8, 2015

Appl. No.:

15/315509

Inventors:

- Boston MA, US
Joshua J. Martin - Roxbury Crossing MA, US

International Classification:

B29C 67/00
B33Y 10/00
B29C 71/00
B33Y 80/00
B33Y 70/00
H01F 41/16
B33Y 30/00

Abstract:

A method and apparatus for producing a composite part are provided to enable composite parts to be assembled with precise control over the orientation and spatial distribution of reinforcing or other particles within a matrix material. The method and apparatus use magnetic fields applied during various additive manufacturing processes to achieve complex particles orientations within each layer of the part. The composite parts can achieve enhanced properties, including mechanical, thermal, electrical and optical properties.