Flex PCB

Advanced Flexible Printed Circuit Solder Coating Process

Customer: A leading innovator in inkjet technology, our customer is renowned for their advanced and precise printheads. Serving various sectors within the industrial, commercial, and consumer printing industries, their commitment to continuous innovation and quality underscores their prominent role in the printing technology sector.Challenge: The customer required a Flexible...

Advanced Surface Finishes for Enhanced PCB Performance

This blog is an introduction to a white paper that contains additional information on surface finishes including: Immersion Silver or Tin,  OSP (Organic Solderability Preservatives), HASL (Hot Air Solder Leveling), Carbon Ink, and Combination Finishes (e.g., Hard Gold/OSP, Soft Gold/OSP, Gold Immersion/OSP). Click the button below to request the full...

Choosing the Right Stiffener: A Guide to Materials for Flexible Circuit Support

Stiffeners are essential for providing mechanical support to flexible circuits, particularly in areas where electronic components are mounted. By reinforcing specific sections of the flex circuit, stiffeners prevent excessive bending and maintain the circuit's structural integrity. This is crucial for ensuring reliable electrical connections and operational stability.Types of Stiffener MaterialsStiffeners...

The Best Copper Conductor for Flex-to-Install & Dynamic Applications

When it comes to choosing the right conductor material for flexible printed circuits (FPC), the primary consideration revolves around how the material performs under specific application conditions. This is especially critical in dynamic applications where the circuit is subject to repeated bending or flexing. Such applications necessitate conductors that are...

Enhancing Polyimide Surface Properties for Superior Bonding in Flexible Printed Circuits

The general scope of this article is to discuss methods for treating and characterizing the surface of Kapton, a polyimide material, to ensure effective interfacial bonding.The surface of the polyimide in Flexible Printed Circuits (FPCs) undergoes various processing steps during manufacturing, which can negatively impact its surface properties. To address...

Ensuring the Integrity of Printed Circuit Boards (PCB): The Vital Role of Surface Cleanliness.

The production of Printed Circuit Boards (PCBs) and Flexible Printed Circuits (FPCs) encompasses chemical, mechanical, and printing processes that often result in the accumulation of unwanted residues on their surfaces. The presence of even minuscule contaminants can significantly affect the functionality, performance, and reliability of the final products. Recognizing the...

4 factors that can cause voiding in Ball Grid Arrays (BGA)

Ball Grid Arrays (BGAs) are crucial components widely employed in the electronic manufacturing industry owing to their compact size. However, due to their high density, detecting defects through visual inspection alone can be challenging, while destructive testing poses the risk of compromising voiding defects. X-ray inspections offer a non-destructive testing solution...

Preventing the Delamination of Your Flex Circuitry in the Soldering Reflow Process

Why Do Flex PCB Delaminate in High Temperature Exposure?Flex Printed Circuits (FPCs) face a common issue during soldering reflow: delamination. This problem, primarily caused by rapid temperature changes, can severely impact the circuit's integrity and functionality. The root cause is often moisture absorption, which can occur in various parts...

The Invisible Link: Understanding Anisotropic Conductive Adhesives

Anisotropic Conductive Film (ACF) represents a significant advancement in the realm of electronic packaging technology. Serving as a crucial interconnect material, ACF stands out for its unique combination of attributes. It acts as a transparent polymeric connector material, endowed with the triple characteristics of adhesion, conductivity, and insulation. This makes...

Flexible Printed Circuits: PICA’s Expertise in Material Selection

Flexible Printed Circuits (FPC) are revolutionizing the electronics industry with their unique combination of flexibility, reliability, and lightweight construction. At the heart of these circuits lies their base material, typically polyimide (PI) or polyester (PET) films. These materials are selected for their excellent properties, including high density, thinness, and...

The Power of Embedded Passives

At PICA, we pride ourselves on being at the forefront of new technological advancements, including embedded passives. Through this blog post, we aim to shed light on the broad realm of embedded passives and showcase how PICA and their manufacturing partners leverages this transformative technology to empower our customers in...

Why X-Ray inspection is essential in flexible printed circuit assembly (FPCA) and printed circuit board assembly (PCBA) processes

In the realm of flexible printed circuit assembly (FPCA) and printed circuit board assembly (PCBA), X-ray inspection plays a crucial role in ensuring product quality and meeting stringent requirements. This is particularly vital when incorporating surface mount components such as ball grid array (BGA), land grid array...