A] JIS/standard/reference standard

: What is a submicron? Explanation of submicron order

2024/3/12 Basic calculations

Today's note on "What is a submicron? Today, I would like to write a memo about "What is Submicron and Explanation of Submicron Order". Submicron I have been working on an optical design project for a while now, and I have been hearing from customers that the term "submicron" or "submicron order" is ...

: What is MS (Margin of Safety)?

2025/10/13 Safety design

Today's note is about "MS (Margin of Safety)" in design. Sometimes a client asks for a "MS (Margin of Safety)" for a system to be designed.　The interpretation and ...

: What are the QT and AT level tests performed on space equipment?

2024/2/24 General Standards/Recognition

Today, I would like to make a note about "QT and AT level examinations" which are often heard in the space industry. What are QT and AT levels? QT = Qualification Test English: Qualification Test Meaning: Qualification Test (in general, QT level ...