1
Ergin Atalar, Jeffrey C Lestio, Harry K Charles Jr, Bliss G Carkhuff, Paul A Bottomley: Miniature magnetic resonance catheter coils and related methods. Johns Hopkins University School of Medicine, Foley Hoag & Eliot, July 17, 2001: US06263229 (168 worldwide citation)

The present invention provides several embodiments of methods of making magnetic resonance catheter coils which include employing a flexible electrically insulative base member, depositing an electrically conductive material on the base member in a predetermined pattern to create at least one pair o ...


2
Harry K Charles Jr, Thomas J Beck, Howard S Feldmesser, Thomas C Magee: Techniques for deriving tissue structure from multiple projection dual-energy x-ray absorptiometry. The Johns Hopkins University, Francis A Cooch, November 9, 2004: US06816564 (37 worldwide citation)

Techniques for deriving bone properties from images generated by a dual-energy x-ray absorptiometry apparatus include receiving first image data having pixels indicating bone mineral density projected at a first angle of a plurality of projection angles. Second image data and third image data are al ...


3
Harry K Charles Jr, Thomas J Beck, Howard S Feldmesser, Thomas C Magee: Method and apparatus for multiple-projection, dual-energy x-ray absorptiometry scanning. The Johns Hopkins University, Francis A Cooch, April 10, 2007: US07203274 (12 worldwide citation)

Methods and apparatuses for advanced, multiple-projection, dual-energy X-ray absorptiometry scanning systems include combinations of a conical collimator; a high-resolution two-dimensional detector; a portable, power-capped, variable-exposure-time power supply; an exposure-time control element; cali ...


4
David M Lee, Arthur S Francomacaro, Seppo J Lehtonen, Harry K Charles Jr: Method for electroless gold plating of conductive traces on printed circuit boards. The Johns Hopkins University, Benjamin Y Roca, May 11, 2004: US06733823 (10 worldwide citation)

A method of electrolessly gold plating copper on a printed circuit board (PCB). Starting with a copper patterned PCB, steps include: clean with ultrasonic agitation with the PCB initially oriented vertically and gradually moved to a 45° angle; rinse; sulfuric acid bath with ultrasonic and mechanical ...


5
Harry K Charles Jr, Arthur S Francomacaro, Allen C Keeney, David M Lee, Timothy J Cornish: Gating grid and method of making same. The Johns Hopkins University, Albert J Fasulo II, December 20, 2005: US06977381 (4 worldwide citation)

A gating grid for deflecting ions includes an insulating substrate (16), a conducting layer (28) adhered to the insulating substrate (16), and interdigitated electrodes (14) patterned in the conducting layer by a photolithographic process. A hole (18) in the insulating substrate beneath the interdig ...


6
Harry K Charles Jr, Deborah M Mechtel, A Shaun Francomacaro: Multi-chip module testability using poled-polymer interlayer dielectrics. The Johns Hopkins University, Carla Magda Krivak, August 7, 2001: US06271671 (4 worldwide citation)

The present invention improves multi-chip module (MCM) testability by using a new technique to detect on-substrate electric field strength. The invention employs a non-invasive, laser-based instrument to probe the MCM structures fabricated with poled polyimide interlayer dielectrics and thin film me ...


7
Harry K Charles Jr, Thomas J Beck: X-ray source and method for more efficiently producing selectable x-ray frequencies. The Johns Hopkins University, Francis A Cooch, March 6, 2007: US07186022 (3 worldwide citation)

An x-ray tube and method of operating include a vacuum chamber vessel and a source of an electron beam inside the vacuum chamber vessel. A target disposed inside the vacuum chamber vessel includes a substrate and one or more deposits attached to the substrate. Each different deposit includes an atom ...


8
Binh Q Le, Ark L Lew, Harry K Charles Jr, Paul D Schwartz, Seppo J Lehtonen, Sharon X Ling: Semiconductor die adapter and method of using. The Johns Hopkins University, Albert J Fasulo II, April 19, 2005: US06881593 (3 worldwide citation)

A semiconductor die adapter assembly includes a semiconductor die cut from a wafer, the die having an active surface including bond pads. A die adapter, also having bond pads, is bonded to the semiconductor die. Die-to-adapter connectors electrically connect the die bond pads to the adapter bond pad ...


9
Howard S Feldmesser, Paul R Falk, Thomas J Beck, Harry K Charles Jr: Focused X-ray scatter reduction grid. The Johns Hopkins University, Ernest R Graf, March 4, 2003: US06529582 (3 worldwide citation)

An X-ray scatter reduction grid includes a first layer having a plurality of cells. The cells have a perimeter formed of an X-ray absorbing material. The shape of the perimeters can vary, but a polygonal shape is preferred. The grid can also include other layers, each with their own cells. The cells ...


10
Harry K Charles Jr, George M Murray: Authentication of products using molecularly imprinted polymers. The Johns Hopkins University, Francis A Cooch, September 21, 2010: US07799568 (2 worldwide citation)

A method for identifying a product includes providing a solid body (10) fabricated from at least a molecularly imprinted polymer having molecular sized cavities (12) adapted to selectively receive and bind molecules (50) having a specific taggant molecular structure (51), the molecular sized cavitie ...