Monthly Archives: November 2024

Nov28
Understanding Melt Flow Index (MFI) for Quality Control in Plastic Injection Molding

post on November 28, 2024

The “Melt Flow Index” (MFI) of plastic refers to the weight (in grams) of molten plastic that flows through a standardized tube with a specific diameter under a defined load (in kilograms) and temperature (in °C) within a set period … Continue reading →

Plastic     WorkingBear    Views (7,383)     comment (0)

Nov21
What Are PCB Cross-out Boards (X-out Boards)?

post on November 21, 2024

In the PCB industry, there is a specific term called “Cross-out boards” or “X-out boards” to indicate that a panel of PCBs contains defective boards. The term “Cross” refers to marking these defective boards with an “X” symbol.

PCB/FPC/PTF     WorkingBear    Views (4,296)     comment (0)
, ,

Nov07
The Benefits of Using “Mirrored Panelization” for PCBs

post on November 7, 2024

In the electronics assembly manufacturing industry, what we commonly refer to as a “Mirrored Panel Board” or “Flipped Panel Board” actually comes in two types. The first type is a different-side mirrored panel board, where one board’s top side and … Continue reading →

PCB/FPC/PTF, Process, SMT     WorkingBear    Views (2,701)     comment (0)