I have an excel spreadsheet that I use the "now date" function to set up a cell as to whatever today's date is, hence it changes every day. Then I have another set of cells with dates in them monthly. What I want to do is use an if then else type statement so that then the cells with the typed...
I have seen similar things happen with CRS where the material was porous allowing Helium, under a sealed condition, to be drawn through the material. This is certainly a problem that is caused by improper crystaline structure resulting during its manufacture. For our case, we were able to...
I have a few questions about problems with hermetically sealing glass to metal. What tolerances should be applied for initial spacing between the glass and the metal? What is the best method to prevent the glass from cracking? How important is the furnace temperature in the sealing process...
