[Image][Image]Introduction: PCB is a fundamental electronic material in PCBA processing, and any PCBA processing cannot be separated from PCB. How should PCBA circuit boards be accepted, and what acceptance standards need to be noted? How are these acceptance standards assessed? This article covers the basics of IPC-A-610, the operation of electronic components, component installation, basic … Read more
Comprehensive Analysis of 51 Essential Standards for Fire Safety Equipment Inspection Fire safety equipment inspection is a core aspect of ensuring building fire safety, and mastery of standards is the foundation of inspection work. This article systematically organizes the 51 national standards and industry regulations related to fire safety equipment inspection, providing authoritative references for … Read more
The edges of printed circuit boards include the outer edge, the inner milled edge, and the edge of non-plated holes, which are one of the items for visual inspection. Common defects include burr, nick, haloing, crazing, delamination, and blister. Burr: Irregular protrusions or edges on the edges of printed boards caused by processes such as … Read more
1. Purpose: To provide a basis for the appearance inspection of PCBA products produced at our SMT station. In cases where the specific appearance standards conflict with customer requirements, customer requirements shall prevail in principle. 2. Scope: This standard references IPC-610D (for dedicated service electronic products) PCBA appearance inspection standards and is applicable only to … Read more
1. What Are the Inspection Standards for PCBA Boards? First, let us understand the introduction of quality inspection standards: 1. Critical Defects (denoted as CR): Any defect that can cause harm to humans or machines or endanger life safety, such as non-compliance with safety regulations, burning machines, electric shock, etc. 2. Major Defects (denoted as … Read more