Amit Kumar Sarkhel

This inventor holds 24 USPTO granted patents, primarily in Printed Circuit Board Technology. Top assignee: International Business Machines Corporation. Active years: 1997-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Amit Kumar Sarkhel. Retrieved from https://idiyas.com/inventor/amit-kumar-sarkhel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 24

% Patents Active = 91.7

Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 326(Granted Patents)

Company Filing History:

24 out of 166,325

International Business Machines Corporation

patents

Years Active: 1997-2005

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Areas of Expertise:

Printed Circuit Board

Lead-Free Solder

Mixed Metallurgy Pads

Chip Packages

Electronic Packaging

High Density Connections

Surface Mount Components

Attachment Reliability

Solder Alloys

Interconnect Structures

Repair Methods

Circuit Board Assemblies

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6931722 - Method of fabricating printed circuit board with mixed metallurgy pads (2005-08-23),

2. 6784086 - Lead-free solder structure and method for high fatigue life (2004-08-31),

3. 6634543 - Method of forming metallic z-interconnects for laminate chip packages and boards (2003-10-21),

4. 6586683 - Printed circuit board with mixed metallurgy pads and method of fabrication (2003-07-01),

5. 6581821 - Electronic package interconnect structure comprising lead-free solders (2003-06-24),

6. 6545229 - Method for producing circuit board assemblies using surface mount components with finely spaced leads (2003-04-08),

7. 6492715 - Integrated semiconductor package (2002-12-10),

8. 6437254 - Apparatus and method for printed circuit board repair (2002-08-20),

9. 6433425 - Electronic package interconnect structure comprising lead-free solders (2002-08-13),

10. 6429388 - High density column grid array connections and method thereof (2002-08-06),

11. 6295724 - Apparatus for printed circuit board repair (2001-10-02),

12. 6281581 - Substrate structure for improving attachment reliability of semiconductor chips and modules (2001-08-28),

13. 6251766 - Method for improving attachment reliability of semiconductor chips and modules (2001-06-26),

14. 6167615 - Method for producing circuit board assemblies using surface mount components with finely spaced leads (2001-01-02),

15. 6115912 - Apparatus and method for printed circuit board repair (2000-09-12),

Title: Innovations by Amit Kumar Sarkhel: Pioneering Advances in Circuit Board Fabrication

Introduction

Amit Kumar Sarkhel is a renowned inventor based in Endicott, NY, with an impressive portfolio of 24 patents. His work primarily revolves around the fabrication of printed circuit boards and the development of lead-free solder structures, contributing significantly to advancements in the electronics industry.

Latest Patents

Among his latest patents, Amit has developed a "Method of fabricating printed circuit board with mixed metallurgy pads." This innovative method involves creating an electrically insulating substrate with multiple sets of conductors on its surface. It features the formation of an oxide layer on specific conductors and the application of a solder mask and composite layer, aiming to enhance the performance and reliability of printed circuit devices.

Another notable patent is titled "Lead-free solder structure and method for high fatigue life." This invention describes a novel method for solderably coupling electronic modules to circuit boards using lead-free solder balls made from a tin-antimony alloy. The resulting solder connection boasts a significantly extended fatigue life compared to traditional solder methods, showcasing Amit's dedication to eco-friendly and durable solutions.

Career Highlights

Amit Kumar Sarkhel is currently associated with the International Business Machines Corporation (IBM), where he continues to innovate and improve electronic manufacturing techniques. His career reflects a commitment to merging technological advancement with practical applications in the field of electronics.

Collaborations

Throughout his career, Amit has collaborated with esteemed coworkers such as Alan Harris Crudo and John Gillette Davis, further amplifying his impact on the industry. These collaborations have led to the development of groundbreaking technologies, reinforcing the importance of teamwork in the pursuit of innovation.

Conclusion

Amit Kumar Sarkhel's contributions to the field of electronics through his 24 patents exemplify a strong commitment to innovation and improvement in circuit board technology. His recent developments not only address current industry challenges but also pave the way for a more sustainable and efficient future in electronic manufacturing.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]