Help Center
  • FAQ
    browse most common questions
  • Live Chat
    talk with our online service
  • Email
    contact your dedicated sales:
  • Call Us
    9:00 - 18:00, Mon.- Fri. (GMT+8)
0

Need helps on fine pitch components

Published on 3/1/2017 2:18:02 AM

Description

<style>.e_editor{font:14px/24px Roboto,Helvetica,Tahoma,Arial,'Microsoft YaHei','b8bf53';}.e_editor div,e_editor p,e_editor td,e_editor th,e_editor li{font-weight:inherit;font-size:inherit;font-style:inherit;font-family:inherit;}.e_editor ul{margin:-10px 0 20px;}.e_editor li{padding:5px 0;}.e_table{width:96%;border-collapse:collapse;empty-cells:show;}.e_table th,.e_table td{padding:5px;border:2px solid #eee;}.e_img{padding:10px 0;text-align:center;}.e_p{line-height:20px;padding:0 0 20px;text-indent:0em;}</style> <div class="e_editor"> <div class="e_p"> I am working with fine pitch components (15-20 mil) and having soldering problems and would appreciate some opinions. 1) How much of an effect does pad size have on bridging? 2) How much of an effect does solder paste grain size have? What is the recommended size for these applications </div> <div class="e_p"> Our pre-reflow inspections look ok but after the oven it is shorts galore....any help would be appreciated </div> </div>

22

comment

All comments

Carlos Mourato

1328

0

22

Go to Order My Own PCB

Rules about cashback: 1. Valid time: ALLPCB cashback activity will end on April 1st. 2. Capped amount: The capped amount of cashback for each account is $5,000. Each order can get a maximum of $2,000 cashback. That means every author can get $5,000 max. 3. Cashback range: The cashback activity only covers the corresponding PCB order. The order amount for other combined payment products will be invalid. 4. Clicking your own promotional link will be invalid. The same email address, shipping address, contact information, and phone number are all recognized as the same account. 5. ALLPCB has the final interpretation right of the cashback activity.

ALLPCB will donate 2% to the author for this promotion link.

Other Projects

Home / Industrial Automation low Cost with Arduino an ESP01

2570

0

314

Alternate Text josemarjr