Company Filing History:
Years Active: 2003-2014
Title: Innovations by Kuo-Ching Liu
Introduction
Kuo-Ching Liu is a prominent inventor based in Fremont, CA, known for his significant contributions to the field of laser technology and semiconductor manufacturing. With a total of nine patents to his name, Liu has developed innovative methods that enhance the precision and efficiency of cutting sapphire substrates and semiconductor wafers.
Latest Patents
One of Liu's latest patents is titled "Scribing sapphire substrates with a solid state UV laser with edge detection." This invention outlines a process and system for scribing sapphire substrates by mounting them on a movable X-Y stage and directing UV laser pulses at the substrate's surface. The technology includes edge detection to stop cutting based on the substrate's edge location, preventing damage to background elements. The laser pulses operate at wavelengths below 560 nanometers, with specific energy density and pulse duration parameters to induce ablation of sapphire effectively.
Another notable patent is the "Method and apparatus for cutting devices from substrates." This invention describes a method for cutting a semiconductor wafer attached to an array of integrated devices. The wafer is placed on a movable X-Y stage with a vacuum chuck, which secures the wafer during the cutting process. The cutting is performed using UV laser energy directed at the substrate, and an adhesive membrane can be used to facilitate the removal of the separated die.
Career Highlights
Kuo-Ching Liu has made significant strides in the field of laser applications in semiconductor manufacturing. His work at New Wave Research has positioned him as a leader in developing advanced laser technologies that improve manufacturing processes. Liu's innovative approaches have garnered attention in the industry, contributing to the advancement of precision cutting techniques.
Collaborations
Liu has collaborated with talented individuals such as Pei Hsien Fang and Jenn Liu, working together to push the boundaries of laser technology and its applications in various fields.
Conclusion
Kuo-Ching Liu's contributions to laser technology and semiconductor manufacturing have established him as a key figure in innovation. His patents reflect a commitment to enhancing precision and efficiency in manufacturing processes. Liu's work continues to influence the industry and pave the way for future advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.