Company Filing History:

9 out of 3,345

At&t Bell Laboratories

Lucent Technologies Inc.

Years Active: 1992-1999

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19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5863351 - Method for cleaning an object soldered with a lead-containing solder (1999-01-26),

2. 5849680 - Cleaning with limonene, BHT, and acetylacetonate (1998-12-15),

3. 5614032 - Terpene-based method for removing flux residues from electronic devices (1997-03-25),

4. 5568684 - Method of encapsulating an electronic device (1996-10-29),

5. 5510153 - Method for encapsulating electronic conductors (1996-04-23),

6. 5502162 - Method of treating structures including silicone materials (1996-03-26),

7. 5470217 - Apparatus for fixturing modules (1995-11-28),

8. 5439849 - Encapsulation techniques which include forming a thin glass layer onto a (1995-08-08),

9. 5438112 - Method for curing silicone resins (1995-08-01),

10. 5405566 - Method for fixturing modules (1995-04-11),

11. 5348913 - Methods for encapsulating electronic devices (1994-09-20),

12. 5317196 - Encapsulant method and apparatus (1994-05-31),

13. 5275841 - Method for encapsulating integrated circuit (1994-01-04),

14. 5266352 - Devices featuring silicone elastomers (1993-11-30),

15. 5217811 - Devices featuring silicone elastomers (1993-06-08),

Title: Ching-Ping Wong: Innovator in Electronic Cleaning Solutions

Introduction

Ching-Ping Wong is an accomplished inventor based in Lawrenceville, NJ, known for his significant contributions to the field of electronic cleaning solutions. With a remarkable portfolio of 19 patents, Wong has demonstrated his expertise and innovation in addressing complex challenges within the electronics industry.

Latest Patents

Among his latest patents, two methods stand out for their ingenuity. The first patent describes a method for cleaning objects soldered with lead-containing solder. It highlights a critical issue where minute quantities of water in a terpene cleaning solvent can react with metals such as lead, tin, and copper, leading to corrosion. Wong's innovative solution involves exposing the cleaning solvent to a molecular sieve containing zeolite beads, effectively trapping water molecules and minimizing the risk of metal corrosion.

The second patent focuses on cleaning electronic devices and assemblies, such as printed wiring boards. This process prevents the deterioration of a terpene-based cleaning solution, characterized by yellowing, through the inclusion of a copper chelating additive. These patents reflect Wong's dedication to enhancing cleaning processes in electronic manufacturing.

Career Highlights

Wong has built an impressive career, having worked for notable organizations like AT&T Bell Laboratories and AT&T Corp. His time at these institutions allowed him to develop his innovative solutions and collaborate with leading experts in the field, thus paving the way for advancements in electronic cleaning technologies.

Collaborations

Throughout his career, Ching-Ping Wong has collaborated with esteemed colleagues such as Peter F. Lilienthal, II, and Ivan Pawlenko. These partnerships have fostered a creative environment that has led to the development of groundbreaking cleaning methods that improve the reliability of electronic components.

Conclusion

Ching-Ping Wong's contributions to the field of electronic cleaning solutions are invaluable. His 19 patents exemplify his commitment to innovation and the ongoing improvement of technologies that support the electronics industry. As he continues to push the boundaries of what's possible, Wong remains an influential figure in the realm of inventions and patents.

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