20mil

"20mil " search results in the Electronics Forums



370 results found for "20mil " in the Electronics Forums

Order by: Relevancy |   Date

Via spacing

Dec 5, 2019 |

PCB Design

Dec 20, 2016 |

Fine Pitch Printing Issues

May 24, 2010 | A guideline that I use agrees with MikeS: For 20mil pitch, apertures should be 9-10mil with a stenci

Fine Pitch Printing Issues

May 20, 2010 | I believe industry standard is 1/2 pitch for fine pitch devices. If your part is 20 mil pitch, apts

QFP Coplanarity Error

Mar 10, 2010 | I am sorry, they are fine-pitch QFPs (20 mils)

Round pads for 0402's. Is it feasible?

Mar 19, 2009 | While investigating a routing study for a new bga device, I found the vendor used round 20 mil pads

Tombstoning issues!!!

Apr 9, 2008 |

Kester paste problems

May 24, 2007 |

Kester paste problems

May 22, 2007 |

Pick & place

Mar 27, 2007 |

Blindage soldering

Feb 9, 2007 |

Local Fiducials

Oct 20, 2006 |

SAC solder balls reflow with Sn/Pb paste - Voids Issue

Oct 4, 2006 | My Peak ~ 228-230C (customer wants to see this temperature). solder ball size - 20mil diameter

Imm Silver & Screen Printing

Aug 1, 2006 | I'm in 100% agreement with the 5 mils foil. In applications where there is less than 20 mil pitch a

Should I panic over .5mm pitch BGA?

Aug 31, 2005 | We are using one BGA that has 7 mil bumps on a 20 mil pitch. We use the manufacturer's recommended p

Low Cost P&P

Aug 11, 2005 |

Low Cost P&P

Aug 10, 2005 | Hi All, We are looking for a multifunctional P&P capable of 20mil pitch and 0402 at a few kpph, p

Lead Free Stencil Design

Jul 13, 2005 |

Solder bridging after printing

Jun 25, 2005 | Hi MSK, Stencil thickness: 5mils with laser cut Smallest pitch: 20mils Underscreen cleaning fre

MYDATA vs ASSEMBLEON

May 5, 2005 |

Best Land Pattern design for 0402 Resitors?

Jan 14, 2005 | We use a 25 x 25 mil square pad with a 18-20mil GAP with great success. Russ

PBGA overprint

Oct 11, 2004 |

PBGA overprint

Sep 30, 2004 | i have a 0.5 pitch(19x19 pbga array) ..with a pad of 20 mils (thou) , solder mask is same...(20th.

SMT Equipment

Feb 5, 2004 |

Zevetech 575

Nov 26, 2002 | Does anyone reliably place 20 mil pitch QFPs with a zevetech 570laser upgraded to 575 with a VCS cam

via in pad

Oct 12, 2002 |

Solder Paste and fine pitch components

Sep 17, 2002 | I am working with fine pitch components (15-20 mil) and having soldering problems and would apprecia

mirco bga stencil opening

Sep 12, 2002 | Hi all, Any stencil opening recommendation for 20mils pitch mirco BGA. Currently, using 12mils rou

15mil on a Contact 3AV

Aug 30, 2001 | I know that Contact says it will do it but I am having difficulties placing a 20 mil TSOP with consi

Solder joint srength

Jun 10, 2001 |

interchangeable stencil frame systems

May 3, 2001 | We produce a board right now with a QFP that has 20 mil pitch and we are seeing problems with the so

0402 chip resistor - settled sideway after reflow

Apr 15, 2001 | The size i had changed from 55 x 20 mils to 42 x 20 mils. The component size i have is 40 x 20 mils

Fine-Pitch Applications

Feb 19, 2001 |

Stencil for 10 mils IC

Nov 13, 2000 | Hi Richard, I assume that you deal with a component that has 20mil pitch. In this case depending o

2nd reflow

Oct 26, 2000 | Currently I am running a very dense PCBA using a PCB less than 20 mils thick. We have two faciliti

Dispensing Paste On 20 Pitch Pads

Aug 24, 2000 | For 20 mil pitch applications, two important properties to evaluate are (1) dispensing volume consi

Pages: 1 2 3 4 5 6 7 8

Voidless Reflow Soldering

Reflow Oven