1
Emanuel M Sachs, John S Haggerty, Michael J Cima, Paul A Williams: Three-dimensional printing techniques. Massachusetts Institute of Technology, Robert F O Connell, April 20, 1993: US05204055 (557 worldwide citation)

A process for making a component by depositing a first layer of a fluent porous material, such as a powder, in a confined region and then depositing a binder material to selected regions of the layer of powder material to produce a layer of bonded powder material at the selected regions. Such steps ...


2
Emanuel M Sachs, John S Haggerty, Michael J Cima, Paul A Williams: Three-dimensional printing techniques. Massachusetts Institute of Technology, Robert F O Connell, August 23, 1994: US05340656 (198 worldwide citation)

A process for making a component by depositing a first layer of a powder material in a confined region and then depositing a binder material to selected regions of the layer of powder material to produce a layer of bonded powder material at the selected regions. Such steps are repeated a selected nu ...


3
Andreas M Glaeser, John S Haggerty, Stephen C Danforth: Polycrystalline semiconductor processing. Massachusetts Institute of Technology, Arthur A Smith Jr, G Eugene Dacey, April 5, 1983: US04379020 (74 worldwide citation)

A process for forming large-grain polycrystalline films from amorphous films for use as photovoltaic devices. The process operates on the amorphous film and uses the driving force inherent to the transition from the amorphous state to the crystalline state as the force which drives the grain growth ...


4
John S Haggerty: Apparatus for forming refractory tubing. Arthur D Little, Bessie A Lepper, March 9, 1976: US03943324 (60 worldwide citation)

Refractory tubings approaching theoretical density, either in polycrystalline or single crystal form, are made by moving a preformed tubing of a refractory material and a heated zone relative to each other, the heating zone providing sufficient heat to melt through the tubing and form a molten ring ...


5
William L Robbins, John S Haggerty, Dennis D Rathman, William D Goodhue, George B Kenney, Annamarie Lightfoot, R Allen Murphy, Wendell E Rhine, Julia Sigalovsky: Net-shape ceramic processing for electronic devices and packages. Charles Stark Draper Laboratory, Massachusetts Institute of Technology, Theresa A Lober, September 1, 1998: US05801073 (42 worldwide citation)

A method of producing electronic device packages is provided, consisting of the steps of shaping a package preform and heating the package preform in a nitrogen-containing atmoshpere to nitride the package preform. The shaped package preform may consist of package base, sidewall, conductor, resistor ...


6
John S Haggerty, Wilson P Menashi, Joseph F Wenckus: Method for forming refractory fibers by laser energy. Arthur D Little, Bessie A Lepper, March 16, 1976: US03944640 (40 worldwide citation)

Method and apparatus for forming fibers of refractory materials. A melt volume is continuously formed on a feed rod of the material to be fiberized and a fiber drawn therefrom. The melt volume is formed by introducing the feed rod at a predetermined velocity into a heating zone. The fiber diameter i ...


7
Harvey K Bowen, John S Haggerty: Laser heated CVD process. Massachusetts Institute of Technology, Hamilton Brook Smith & Reynolds, April 1, 1986: US04579750 (38 worldwide citation)

A laser powered chemical vapor deposition process and apparatus for producing heterogeneous nucleation and sustained growth of films on substrates. The process is conducted at low laser intensities and high reactant pressures so as to operate in the thermal domain. Semiconductor films and fabricatio ...


8
William L Robbins, John S Haggerty, Dennis D Rathman, William D Goodhue, George B Kenney, Annamarie Lightfoot, R Allen Murphy, Wendell E Rhine, Julia Sigalovsky: Net-shape ceramic processing for electronic devices and packages. Massachusetts Institute of Technology, Charles Stark Draper Laboratory, Theresa A Lober, November 10, 1998: US05834840 (37 worldwide citation)

An electronic device package is provided, consisting of reaction bonded silicon nitride structural and dielectric components and conductor, resistor, and capacitor elements positioned with the package structural components. The package consists of a ceramic package base characterized by a dielectric ...


9
John S Haggerty: Method for forming refractory tubing. Arthur D Little, Bessie A Lepper, April 8, 1980: US04197157 (14 worldwide citation)

Refractory tubings, either in amorphous, polycrystalline or single crystal form, are made by moving a preformed tubing of a refractory material and a heated zone relative to each other, the heating zone providing sufficient heat to melt through the tubing and form a molten ring which is continuously ...


10
John S Haggerty: Process for controlling powder size with optical energy. Massachusetts Institute of Technology, Arthur A Smith Jr, September 15, 1981: US04289952 (10 worldwide citation)

Metal or ceramic powders having a narrow size distribution are produced by passing a gas entrained powder through an intense light beam which couples preferentially with the larger particles to heat and selectively vaporize a portion of the larger particles until their diameter approximates the desi ...