Ichirou Mandai

Title: Ichirou Mandai: Innovator in Printed Board Inspection Technology

Introduction

Ichirou Mandai is a prominent inventor located in Kyoto, Japan. He has made significant contributions to the field of printed board inspection technology, holding two patents that enhance the accuracy and reliability of evaluating wiring patterns.

Latest Patents

Ichirou Mandai's latest patents focus on methods and apparatuses for inspecting patterns and widths of wiring lines on printed boards. His first patent describes a method for detecting the width of wiring patterns using a multiple train operator applied to image data. This innovative approach consists of arms, each having three unit arms, which allows for the effective conversion of binary data into a single cross operator. This conversion is critical as it compensates for quantization errors, ensuring that fine pattern defects are accurately detected.

His second patent pertains to inspecting the width of wiring lines on printed boards. This method employs a cross operator that analyzes the image of a wiring pattern to determine its size in both first and second directions. It establishes a decision-making process based on specific conditions regarding the sizes, enabling precise measurements of the wiring line that fall within a predetermined allowable range. This advancement excludes other elements, such as land and pinholes, that may confound the inspection, thus ensuring accurate evaluations.

Career Highlights

Ichirou Mandai works at Dainippon Screen Manufacturing Co., Ltd., where he has collaborated with leading experts in the field. He is dedicated to advancing technology that improves the manufacturing processes associated with printed boards.

Collaborations

In his career, Mandai has worked alongside notable colleagues, including Takao Kanai and Hitoshi Atsuta. These collaborations have played a pivotal role in fostering innovation and driving the development of effective inspection methods in their field.

Conclusion

Ichirou Mandai's work represents significant strides in the realm of printed board inspection technologies. His innovative patents not only enhance production efficiency but also ensure superior quality control, demonstrating his dedication to advancing engineering practices in this vital industry.