Package dye penetrate solution

DestructiveTo identify location of microchannel leaks and pinholes in hermetically sealed packages by applying dye solutions. The dye penetration test, also called chemical penetrant test, is a simple and inexpensive method of leak detection. The test is conducted by applying a liquid penetrant to one side of package, allowing adequate time for the penetrant to seep into leaks, and visually inspecting the other side of the package for the presence of the penetrant. The penetrant is a combination of a carrier such as water, alcohol, or oil and a dye to enhance visibility. This technique does not require pressurization of the package since liquid penetration is due to capillary action.
Hot nude nice teensRamya nambeesan hot fuck

Dye Penetration Testing Method

Moms wet pussieShemale on shemale begleitservice frauenSms fickkontakteShemale phone sex numbers

Dye Penetration Testing - Westpak | Excellence in Testing

Historical Version s - view previous versions of standard. More F These leaks are frequently found at seals between package components of the same or dissimilar materials. Leaks may also result from a pinhole in the packaging material. The presence of a number of small leaks, as found in porous packaging material, which could be detected by other techniques, will not be indicated. However, since these tests are designed to detect leaks, components that exhibit any indication of leakage are normally rejected.
Mature Couple Seduction

Dye Penetration Testing - ASTM F1929

The present invention relates to a method for testing the integrity of soldered joints in semiconductor package assemblies. The present invention has particular applicability in testing the joint adhesion of fine-pitched ball grid array FBGA packages to a substrate. Due to the limitations of the solder bumping process, one or more of the solder balls occasionally do not wet properly to their bonding pads during reflow, resulting in cracks in the joint between those solder bumps and the improperly-wetted bonding pads. Cracks also occur during stress testing i. Cracks are disadvantageous to the extent they result in partial or completely open circuits, and consequent failure of the assembled board.
In this study, injecting and vacuum dye penetration methods were applied for the assessment of the package integrity of retortable flexible pouches having various sizes of micro-channels. The purpose of this study is to evaluate the usefulness of dye penetration as a physical test that can be incorporated into a stability protocol and compare the results of the dye penetration test with those from the bacterial aerosol challenge test. The study found a direct correlation between the results of the vacuum dye penetration test and those of the microbial test. To detect defective pouches, the dye vacuum testing had a sensitivity similar to that of bioaerosol challenge test. An important aspect of product quality assurance is to demonstrate the maintenance of package integrity throughout the product shelf life.
Comments
  • There are no comments yet ...
 
Home Sex Dating