Partner Websites: exposed copper acceptability (Page 1 of 14)

What is the PCB Fabrication Process? | Imagineering, Inc.

Imagineering, Inc. | https://www.pcbnet.com/blog/what-is-the-pcb-fabrication-process/

. Laser direct imaging exposes certain parts of the board to light in the shape of the PCB pattern. Any unexposed parts of the board will develop off, leaving the remaining film as an etch barrier The remaining film serves as an etch barrier that will be removed from the exposed copper to form the copper circuitry

Imagineering, Inc.

Beyond the Surface: A Peek into How PCBs Are Made

Imagineering, Inc. | https://www.pcbnet.com/blog/how-pcbs-are-made/

: Areas of exposed copper on the PCB. They provide a stable and conductive surface for solder joints. PCB Design Phase PCBs are usually designed by companies that create electronic devices and assembled by dedicated PCB manufacturers like Imagineering

Imagineering, Inc.

How many PCB classifications are there? From material talk-SMT Technical-Reflow oven,SMT Reflow Sold

| http://etasmt.com/cc?ID=te_news_industry,26961&url=_print

.   Phenolic resin is resistant to weak acids and weak bases. It will decompose when exposed to strong acids and will corrode when exposed to strong bases

Solder Pot Maintenance and Dross Removal | EPTAC

| https://www.eptac.com/soldertips/solder-pot-maintenance-and-dross-removal/

. The amount of dross generated in a wave solder system can be enormous due to the turbulence of the wave from wave generation and from the amount of surface area of the exposed molted metal within the system

PCB Libraries Forum : PCB Design In The 1970's

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_pcb-design-in-the-1970s_topic2333.xml

;The pad master was over-exposed to create the solder mask swell. The PCB’swhere created using the negatives to apply a temporary mask that protects partsof the copper laminate from acid and leaves the desired pattern

PCB Libraries, Inc.

Solder Pot Maintenance and Dross Removal - EPTAC - Train. Work Smarter. Succeed

| https://www.eptac.com/soldertip/solder-pot-maintenance-and-dross-removal/

: Component Mounting and Acceptability Question: We found an article online about solder pot maintenance and the removal of dross, specifically there is an interest to us in the “changing bar solder” Section

Solder Pot Maintenance and Dross Removal - EPTAC - Train. Work Smarter. Succeed

| https://www.eptac.com/faqs/soldertips/soldertip/solder-pot-maintenance-and-dross-removal

. The amount of dross generated in a wave solder system can be enormous due to the turbulence of the wave from wave generation and from the amount of surface area of the exposed molted metal within the system

When to Use FR4 Printed Circuit Boards | Imagineering, Inc.

Imagineering, Inc. | https://www.pcbnet.com/blog/when-to-use-fr4-printed-circuit-boards/

180ºC. In PCB manufacturing a thin layer of FR4 is typically laminated with copper foil layers. What are the Types of FR4? There are many variations of FR4 used in PCBs

Imagineering, Inc.

High Performance EMI/RFI Shielding Laminates – EM-X300

ORION Industries | http://orionindustries.com/pdfs/X300-series.pdf

: White Insulating Layer Finish: Matte or Polish Standard Roll Widths: up to 48” wide Standard Gauges (insulating layer): 0.005”, 0.010”, 0.015”, 0.020”, 0.030” Available Foils: Aluminum, Copper, Tin Plated Copper

ORION Industries

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