Company Filing History:

28 out of 12,867

Advanced Micro Devices Corporation

where one patent can have more than one assignee

Years Active: 2001-2008

where 'Filed Patents' based on already Granted Patents

29 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 7449413 - Method for effectively removing polysilicon nodule defects (2008-11-11),

2. 7358191 - Method for decreasing sheet resistivity variations of an interconnect metal layer (2008-04-15),

3. 7307002 - Non-critical complementary masking method for poly-1 definition in flash memory device fabrication (2007-12-11),

4. 7294573 - Method for controlling poly 1 thickness and uniformity in a memory array fabrication process (2007-11-13),

5. 7125776 - Multi-step chemical mechanical polishing of a gate area in a FinFET (2006-10-24),

6. 7077728 - Method for reducing edge array erosion in a high-density array (2006-07-18),

7. 7052969 - Method for semiconductor wafer planarization by isolation material growth (2006-05-30),

8. 6989563 - Flash memory cell with UV protective layer (2006-01-24),

9. 6982464 - Dual silicon layer for chemical mechanical polishing planarization (2006-01-03),

10. 6933219 - Tightly spaced gate formation through damascene process (2005-08-23),

11. 6855607 - Multi-step chemical mechanical polishing of a gate area in a FinFET (2005-02-15),

12. 6812076 - Dual silicon layer for chemical mechanical polishing planarization (2004-11-02),

13. 6770523 - Method for semiconductor wafer planarization by CMP stop layer formation (2004-08-03),

14. 6756643 - Dual silicon layer for chemical mechanical polishing planarization (2004-06-29),

15. 6649511 - Method of manufacturing a seed layer with annealed region for integrated circuit interconnects (2003-11-18),

Title: The Innovative Mind of Krishnashree Achuthan: A Leader in Semiconductor Technologies

Introduction: In the realm of semiconductor technology, few individuals have made as significant an impact as Krishnashree Achuthan. Based in San Ramon, CA, Krishnashree boasts an impressive portfolio of 29 patents that exemplify his innovative spirit and technical prowess. His contributions have advanced methods for improving the performance and reliability of semiconductor devices.

Latest Patents: Krishnashree Achuthan's latest patents showcase cutting-edge methods designed to enhance semiconductor processing. One such patent details a method for effectively removing polysilicon nodule defects. This method describes a deposition process that results in polysilicon nodule defects forming on the surface of a polysilicon layer. The innovative polysilicon Chemical Mechanical Planarization (CMP) process utilized in this patent achieves the removal of at least 95% of these defects, ensuring a smoother surface for subsequent processing. The process operates under specific parameters, using a polishing pressure of less than 1.5 psi and a table speed between 20.0 rpm and 40.0 rpm, along with a colloidal silica slurry to optimize results.

Another notable patent focuses on decreasing sheet resistivity variations in interconnect metal layers. This method involves forming trenches in a dielectric layer above a wafer, followed by creating a metal layer that maintains a dome-shaped profile. This innovative shaping allows for reduced thickness variation and improved sheet resistivity uniformity across the wafer, significantly enhancing the performance of electronic devices.

Career Highlights: Throughout his career, Krishnashree has worked for prominent companies, including Advanced Micro Devices Corporation and Spansion LLC. His experience in these organizations has contributed to the breadth of his expertise in semiconductor technologies and patent development.

Collaborations: Krishnashree Achuthan has collaborated with talented individuals in the field, including coworkers Kashmir S. Sahota and Sergey D. Lopatin. These partnerships have led to fruitful exchanges of ideas and innovations, further pushing the boundaries of semiconductor technology.

Conclusion: Krishnashree Achuthan represents a paradigm of innovation in the semiconductor industry. With a remarkable number of patents and significant contributions to process improvements, he continues to influence the advancement of technology in this critical sector. His work exemplifies the impact that dedicated inventors can have on shaping the future of electronic devices and systems.

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