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For the Inventor, By the Inventor

Yorktown Heights, NY, United States of America

James McKell Edwin Harper

USPTO Granted Patents = 15

Average Co-Inventor Count = 6.5

ph-index = 7

Forward Citations = 287(Granted Patents)


Company Filing History:

goldMedal15 out of 164,108 
 
International Business Machines Corporation
 patents

Years Active: 2001-2008

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15 patents (USPTO):
1. 7468766 - Reflective spatial light modulator array including a light blocking layer (2008-12-23),
2. 7102234 - Method and structure for reduction of contact resistance of metal silicides using a metal-germanium alloy (2006-09-05),
3. 7081676 - Structure for controlling the interface roughness of cobalt disilicide (2006-07-25),
4. 6809030 - Method and structure for controlling the interface roughness of cobalt disilicide (2004-10-26),
5. 6753606 - Method and structure for reduction of contact resistance of metal silicides using a metal-germanium alloy (2004-06-22),
6. 6503641 - Interconnects with Ti-containing liners (2003-01-07),
7. 6440851 - Method and structure for controlling the interface roughness of cobalt disilicide (2002-08-27),
8. 6424388 - Reflective spatial light modulator array (2002-07-23),
9. 6413859 - Method and structure for retarding high temperature agglomeration of silicides using alloys (2002-07-02),
10. 6399496 - Copper interconnection structure incorporating a metal seed layer (2002-06-04),
11. 6346175 - Modification of in-plate refractory metal texture by use of refractory metal/nitride layer (2002-02-12),
12. 6331486 - Method and structure for reduction of contact resistance of metal silicides using a metal-germanium alloy (2001-12-18),
13. 6323130 - Method for self-aligned formation of silicide contacts using metal silicon alloys for limited silicon consumption and for reduction of bridging (2001-11-27),
14. 6187679 - Low temperature formation of low resistivity titanium silicide (2001-02-13),
15. 6181012 - Copper interconnection structure incorporating a metal seed layer (2001-01-30),

Title: Innovations of James McKell Edwin Harper: A Glimpse into His Patents

Introduction

James McKell Edwin Harper, an inventive mind based in Yorktown Heights, NY, has significantly contributed to the field of technology through his 15 patents. His work predominantly focuses on advancements in liquid crystal devices and semiconductor technology, showcasing his expertise and innovative spirit.

Latest Patents

Among Harper's latest inventions is a reflective spatial light modulator array that incorporates a light blocking layer. This array uses liquid crystal devices and mirrors, effectively combining them with a semiconductor substrate and electrical circuits. The introduction of a light blocking layer, which can contain titanium, reduces incident light at the semiconductor level while enhancing optical throughput and contrast. This innovative solution resolves shielding issues for semiconductor devices, ensuring precise control of liquid crystal device thickness.

Another notable patent by Harper is a method for reducing contact resistance of metal silicides using a metal-germanium alloy. This method involves forming a metal germanium layer over a silicon substrate, with careful considerations for the type of metal used, such as Co, Ti, or Ni. Through strategic annealing, Harper’s technique aims to produce a substantially non-etchable metal silicide layer, significantly improving performance in semiconductor applications.

Career Highlights

Harper's professional journey is anchored at International Business Machines Corporation (IBM), a leading firm known for its technological innovations. His work indicates a commitment to pushing the boundaries of conventional technology through advanced materials and designs.

Collaborations

Throughout his career, Harper has collaborated with esteemed colleagues such as Cyril Cabral, Jr. and Roy Arthur Carruthers. These partnerships have undoubtedly contributed to the refinement and success of his inventive projects, highlighting the importance of teamwork in achieving groundbreaking solutions.

Conclusion

James McKell Edwin Harper stands as a notable inventor whose contributions through his patents align closely with the advancements in semiconductor technology and optical devices. His continuous pursuit of innovation at IBM not only enhances the technological landscape but also inspires future generations of inventors.

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