PCB Back Drilling
Back Drilling What is Back drilling? Back drilling aka CDD (Control Depth Drilling) is a process of removing unused portion ( stub) from the barrel of the through hole in…
Back Drilling What is Back drilling? Back drilling aka CDD (Control Depth Drilling) is a process of removing unused portion ( stub) from the barrel of the through hole in…
What is the fibre weave effect? The fibre weave effect is a phenomenon that occurs when manufacturing printed circuit boards (PCBs). It occurs when the fibres of the substrate material…
Lay-up Inner cores and prepregs are stacked together in order as per the ML construction. The operation of creating the stack is called ‘Layup’. Need for Pressing Pressing is needed…
Initial Processes before manufacturing of PCB Obtaining the design of the PCB from the customer (It is called Gerber) The data consists of-The position of the various tracks, and holesThe…
Core – Base Material Sharing The king-size boards (36” X 48”, 42” X48”) are sheared into the production required (standard) size. Pre-cut panels are also available Baking Before the beginning…
Using Metal Core Printed Circuit Board (MCPCB) as a Solution for Thermal Management The designs of electronic devices and systems are being continuously improved by becoming smaller in size and…
Electroless Nickel and Immersion Gold Metallization Electroless Nickel / Immersion Gold is a metallization finish used for printed circuit boards with fine-pitch and finer (<=25 mil) surface mount technology (SMT)…
Via Tenting, Plugging, and Filling There are many reasons a printed circuit board designer might want to have a via tented, plugged, or filled. First, let's start with defining these…
Recommendation for baking of Flexible and Rigid-Flex PCB Since nearly all Flex and Rigid-Flex boards are constructed with polyimide inside and this material is highly hygroscopic in its form, it…
Get Flipping: A Step-by-Step Guide to a Successful Flip Chip Assembly Process Flip chip assembly process is an efficient way to mount integrated circuits and other electronic components onto a…