Electronics Forum | Thu Oct 21 23:20:05 EDT 2010 | camtechpcb
According to the Trichromatism.Half red and half blue will get purple.But the trichromatism only apply to color light. The red and blue soder mask are coloring material.Both of them absorb light.You mixed them up,so you lose blue and red,and get grap
Electronics Forum | Mon Jul 16 07:33:34 EDT 2012 | amitsindwani
Why to use 5% color spot in HIC if level 2a-5a are considered bad when 10% is NOT blue ? 10% will be NOT blue(or pink) only after 5% is pink. Then why to keep 5% in HIC ?
Electronics Forum | Wed Dec 06 19:55:13 EST 2000 | Dave F
it's a "clear" material printed on top of each via [top & bottom side]. Apparantly, there is some color to it so it changes ... * Mask blue from green * Gray stuff in the vias to gray stuff colored [although it may be some other color and the clea
Electronics Forum | Thu Mar 10 13:05:41 EST 2005 | patrickbruneel
This phenomenon is caused by a high amount of halogens (Cl, Br etc.) used in the flux activators or in the flux surfactants. We've seen effects creating all colors of the rainbow. Changing to No-Clean (halide-free) will eliminate this color effect.
Electronics Forum | Thu Jul 09 16:34:46 EDT 2015 | davef
Look at the blue colored "New SMT Equipment" and "Used SMT Equipment" nav tabs on the left side of this screen.
Electronics Forum | Mon Jul 16 16:37:29 EDT 2012 | kjs123p
Why to use 5% color spot in HIC if level 2a-5a > are considered bad when 10% is NOT blue ? 10% > will be NOT blue(or pink) only after 5% is pink. > Then why to keep 5% in HIC ? We change out the HIC and dessicant when the 5% turns pink to try to
Electronics Forum | Tue Jun 21 14:35:11 EDT 2005 | lind
does anyone know how to read SMT zener color code? I need to figure one out that is blue, green, and violet.
Electronics Forum | Tue Mar 31 09:56:20 EDT 2020 | davef
On this page,... + Find the navbar, left margin, near the top of the page, comprised of blue-colored rectangles with white lettering + Scan down to the top third of the navbar + Click "Used SMT Equipment" + Select "Send RFQ" tab peach-colored, near c
Electronics Forum | Wed Jun 16 16:04:42 EDT 2004 | hulbert
An issue just came up concerning the color of FR-4. By accident we received a prototype board that was blue. We like the looks of it but can not justify a change because it looks cool. My questions are: 1: Why are most common PCB's green? 2: What are
Electronics Forum | Mon Jul 16 15:47:52 EDT 2012 | davef
Here's what Desco says ... Humidity Indicator Card (HIC) A card on which a moisture-sensitive chemical is printed such that it will change color from blue to pink when the indicated relative humidity is exceeded. This is packed inside the moisture-se
