Company Filing History:

9 out of 1,787

Kla Tencor Corporation

Kla-tencor Technologies Corporation

patents

Years Active: 2003-2022

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11415725 - System, method and apparatus for polarization control (2022-08-16),

2. 11302590 - Delivery of light into a vacuum chamber using an optical fiber (2022-04-12),

3. 11170971 - Multiple working distance height sensor using multiple wavelengths (2021-11-09),

4. 10921488 - System, method and apparatus for polarization control (2021-02-16),

5. 10739276 - Minimizing filed size to reduce unwanted stray light (2020-08-11),

6. 10462391 - Dark-field inspection using a low-noise sensor (2019-10-29),

7. 10324045 - Surface defect inspection with large particle monitoring and laser power control (2019-06-18),

8. 9995850 - System, method and apparatus for polarization control (2018-06-12),

9. 9970873 - System and method for luminescent tag based wafer inspection (2018-05-15),

10. 9891177 - TDI sensor in a darkfield system (2018-02-13),

11. 9747670 - Method and system for improving wafer surface inspection sensitivity (2017-08-29),

12. 9726615 - System and method for simultaneous dark field and phase contrast inspection (2017-08-08),

13. 6727512 - Method and system for detecting phase defects in lithographic masks and semiconductor wafers (2004-04-27),

14. 6646281 - Differential detector coupled with defocus for improved phase defect sensitivity (2003-11-11),

Title: The Innovations of Donald Pettibone

Introduction

Donald Pettibone is a notable inventor based in San Jose, California. He has made significant contributions to the field of optical systems and has been awarded a total of 14 patents. His work focuses on advanced technologies that enhance the control and transmission of light.

Latest Patents

One of his latest patents is titled "System, method and apparatus for polarization control." This optical system is designed to control polarization through an illumination source that illuminates a sample's surface. It includes a set of collection optics to gather illumination and a wave plate with a spatially-varying surface profile. This innovative design allows for continuous control of polarization rotation based on transverse position. Another recent patent involves the "Delivery of light into a vacuum chamber using an optical fiber." This system utilizes a vacuum chamber and an optical fiber to transmit laser light, enhancing voltage contrast in various applications.

Career Highlights

Throughout his career, Donald Pettibone has worked with prominent companies such as Kla Tencor Corporation and Kla Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.

Collaborations

Donald has collaborated with talented individuals in his field, including Ivan Maleev and Chuanyong Huang. These partnerships have contributed to the advancement of his projects and patents.

Conclusion

Donald Pettibone's contributions to optical systems and his impressive portfolio of patents highlight his role as a leading inventor in the field. His innovative work continues to influence advancements in technology.

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2 patents pending (EPO):

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