Juan M Maldonado

Address:

10732 SW 225 St, Miami, FL 33170

VIN:

KMHDU46D97U076371

Make:

HYUNDAI

Model:

ELANTRA

Year:

2007

Address:

1631 NW 19 St APT 1, Miami, FL 33125

VIN:

2B3KA43R77H856636

Make:

DODGE

Model:

CHARGER

Year:

2007

US Patent:

49641450, Oct 16, 1990

Filed:

Jul 24, 1989

Appl. No.:

7/383519

Inventors:

Juan R. Maldonado - Chappaqua NY

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G21K 500

US Classification:

378 35

Abstract:

A thin film structure for correcting magnification errors in X-ray lithography. On a conductive substrate a low dielectric constant thin film is deposited. A piezoelectric film is deposited on the low dielectric constant thin film. An electrode array is positioned on the piezoelectric film to provide a relatively uniform electric field across the electrode array. The structure may be oriented around or in the X-ray exposure area. If located outside it may be orthogonally or circularly placed about the exposure area.

US Patent:

45511926, Nov 5, 1985

Filed:

Jun 30, 1983

Appl. No.:

6/509738

Inventors:

Vincent Di Milia - Pleasantville NY
Juan R. Maldonado - Chappaqua NY
James L. Speidell - Carmel NY
John M. Warlaumont - Ridgewood NJ

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

H01L 21306
B44C 122
C03C 1500
C03C 2506

US Classification:

156345

Abstract:

A pinchuck is formed in accordance with this invention by using lithographic techniques to define and to etch a pattern of pins from an extremely flat etchable surface. Since the pins are formed from a surface which is already flat, it is not necessary to level or polish the pins after they are formed. Since lithographic techniques are used, the pin head dimensions, the number of pins, the arrangement of pins, and the density of pins all may be freely chosen without affecting the fabrication cost. By surrounding the region of etched pins with an unetched band, a raised peripheral ring will be formed which can act as a vacuum sealing ring when the pinchuck is used as a vacuum pinchuck. By fabricating the pins from an electrically conductive material (such as doped silicon) and then covering the pins with a dielectric film (such as silicon dioxide), the pinchuck can be used as an electrostatic pinchuck. By doing both, the same pinchuck can be used as an electrostatic pinchuck or as a vacuum pinchuck or as both simultaneously.

US Patent:

57162840, Feb 10, 1998

Filed:

Dec 20, 1996

Appl. No.:

8/770989

Inventors:

Juan R. Maldonado - New York City NY

International Classification:

A63D 1500
A63D 1508

US Classification:

473 5

Abstract:

A pool table including a plurality of numbered balls. Also included is a playing surface with a rectangular configuration having a plurality of divots formed therein. Further provided is a ball collection assembly including a rectilinear periphery integrally formed about the edges of the playing surface with a plurality of vertically oriented bores formed therein. The ball collection assembly further includes at least one cut out formed in a top edge of the periphery. A spring is also included. Finally, at least one pool stick is adapted to utilize the spring for imparting motion to one of the balls.

US Patent:

51685132, Dec 1, 1992

Filed:

Oct 11, 1991

Appl. No.:

7/775880

Inventors:

Juan R. Maldonado - Chappaqua NY
Yuli Vladimirsky - Chappaqua NY

Assignee:

International Business Machines Corporation - Armok NY

International Classification:

G21K 500

US Classification:

378 34

Abstract:

This is a process for aligning an x-ray lithography system including an x-ray mask and a work piece with an alignment mark. A zone plate lens is used in the x-ray mask. X-rays are directed through the zone plate lens to the alignment mark to detect when the lens is aligned with the mark by emission of photoelectrons generated by the work piece in response to the x-rays. The change of current when the x-ray beam crosses a feature on the alignment mark is detected by a properly biased zone plate or grating. The alignment mark can be an etched slot or a metal feature.