Electronics Forum: .e1 (Page 6 of 7)

Micro BGA pads, adhesion to laminate

Electronics Forum | Thu Jul 10 09:55:47 EDT 2003 | davef

A reading of the pictures is: A1: Looks like pad [B1] is smaller than the other pads. It�s weird that the pads are such different colors. A2: Looks like pad [B1] is smaller than the other pads. Solder mask opening [B1] is misregistered and seems s

8 Zone Vs 7 Zone Reflow Oven

Electronics Forum | Tue Oct 26 10:49:00 EDT 2004 | Simon UK

Hi, > > I'm planning to get a new oven. I wanna > know the advantages and disadvantages of each > oven type over each other. I'm being told to go > for an 8 zone oven. > > thanks for your > help. > > regards, Depends really if you want a dua

Re: Passive SMD components codification

Electronics Forum | Thu Feb 17 22:30:09 EST 2000 | Dave F

Alberto: There's no rules, but it works sorta like this: RESISTORS Usually marked in ohms using a standard code: First two numbers is the value Third number is the multiplier 102 = 1.0 x 10� ohm = 1000 ohm = 1 kW CAPACITOR Usually not marked. When

Re: Passive SMD components codification

Electronics Forum | Thu Feb 17 22:30:09 EST 2000 | Dave F

Alberto: There's no rules, but it works sorta like this: RESISTORS Usually marked in ohms using a standard code: First two numbers is the value Third number is the multiplier 102 = 1.0 x 10� ohm = 1000 ohm = 1 kW CAPACITOR Usually not marked. When

GEM / TOPAZ XII forgotten admin password

Electronics Forum | Sat Apr 09 01:41:47 EDT 2022 | glasscake

Fixed it, had to go to another one of my gem x2 machines make a user account with admin permissions. Copy the line of code in the "VtOperatorDef.txt" file under d:system that specifies that user into the text file on my topaz xii. V #BEGIN,OPERATOR

Re: EKRA

Electronics Forum | Thu Sep 02 09:49:44 EDT 1999 | Ilka Wissling

| | | Does anyone have any experience with EKRA screenprinters? I am looking for a semiauto screenprinter and I came across this brand. My local rep says that they are fairly new in the US, so, it is hard to get opinions on the machine. I am looki

How do you identify Lead Free Boards from Sn/Pb?

Electronics Forum | Sat Oct 08 00:49:59 EDT 2005 | Mika

We do the following things: 1.) RoHS PCB:s is marked with a code. This is to identify that the PCB:s itself are RoHS compliant. 2.) If it is a true RoHS PCBA; we put a printed label with a green "texture" on the PCBA. 3.) If it is a mixed PB free/PB;

Electroforming Directory

Electronics Forum | Thu Mar 06 09:25:13 EST 2014 | davef

Stencil, Electroformed * AGI, 177 Nick Fitcheard Rd, Huntsville, AL 35806; 256-858-3300 F256-858-3304 agicorp.com * ALPHA® Form™ alpha.alent.com * Chepaume Industries, 6001 Airport Road, Oriskany, New York 13424; 315-768-7001 F315-768-0270 info@chepa

Re: Defect Rate Measurement Technique

Electronics Forum | Mon Jul 05 18:40:24 EDT 1999 | JohnW

| Dear All, | | We are a medium sized Electronic manufacturing company manufacturing computer motherboards and Telecommunication products. We have a big debate going on within our company regarding the defect rate measurement technique. | | At p

Micro Leadless Frame - solder wetting control

Electronics Forum | Wed May 08 23:18:58 EDT 2002 | ianchan

Hi mates, have this SMT production issue : A) We have a leadless-chip-carrier(LCC) IC package that is classified under the Land-Grid-Array(LGA) package family. B) The LCC is 4mm x 4mm, and has 28 tin plated pads located beneath the outside perimet

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