Wednesday, November 14, 2012

happy

yeah..

I am happy for no specific reason.

Everyone should feel comfortable on doing anything.

Tuesday, November 13, 2012

Wednesday, October 31, 2012

Nonstop Experiment

November 2012.
I appreciate Koji Yamashita fight with me together till morning.



Monday, October 22, 2012

Monday, October 15, 2012

OD-Optical Density

Watts/cm2=Irradiance for CW lasers
Joules/cm2=Radiant Exposure for pulsed lasers

MPE=Maximum Permissible {Safe}Exposure(W(J/s)/cm2 or J/cm2)
Exposure times different for visible , IR, UV beams

OD=log quantity of exposure/MPE
http://www.pro-lite.co.uk/File/laser_safety_standards.php

VLT=Visible light transmission(% in units)
Ensure eyewears VLT is adequate

Google VS Spectacles(glasses)




Friday, October 12, 2012

Thursday, September 20, 2012

Wednesday, August 22, 2012

Brazing

Acetylene, Oxygen
Paste:防止氧化作用在焊接時發生,也有清潔表面作用
Skill: 熔解到熔點後使其自然流下






Wednesday, July 25, 2012