GB/T 14515-2019 in English
VALIDSectional specification for single and double sided flexible printed board
- Issued on:2019-03-25
- Implemented on:2019-10-01
- File Format:PDF
- Delivery:Via email within 5 business days
$612.00
| Standard No: | GB/T 14515-2019 |
| Document status: | VALID |
| Title in English: | Sectional specification for single and double sided flexible printed board |
| Title in Chinese: | 单、双面挠性印制板分规范 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2019-03-25 |
| Implemented on: | 2019-10-01 |
| Superseding: |
GB/T 14515-1993 for single and double sided flexible printed boards with through connections
GB/T 14516-1993 for single and double sided flexible printed boards without through connections |
| ICS Classification: | 31.180-Printed circuits and boards |
| Chinese Classification: | L30-Printed circuit |
| Professional Classification: | GB-National Standard |
| Related Topics: | printed board
GB/T 14515-1993 a2 type, double sided GBT14515 GB/T 14515-1993 GB/T 14515-2019 |
《GB/T 14515-2019单、双面挠性印制板分规范》由TC47（全国印制电路标准化技术委员会）归口，主管部门为工业和信息化部（电子）。
Introduction
Standard Evolution and Core Changes
| Version Comparison | GB/T 14515-1993 | GB/T 14516-1993 | GB/T 14515-2019 |
|---|---|---|---|
| Scope of Application | With Through Connection | Without Through Connection | Uniform Specification |
| Application Level | No Classification | No Classification | 3-Level Classification (Consumer/Industrial/High Reliability) |
| Environmental protection requirements | Not specified | Not specified | New recyclable material clauses |
Analysis of key technical requirements
1. Material specifications
The base material must comply with the polyimide film (GB/T 13555) or polyester film (GB/T 13556) standards, and environmentally friendly materials are preferred.
2. Appearance defect judgment standard
| Defect type | Level 1 standard | Level 3 standard |
|---|---|---|
| Wire gap | ≤W/2 and length≤2W | ≤W/3 and length≤W |
| Plating void | ≤1/3 of hole wall area | ≤10% of hole wall area |
Typical application scenarios
Medical equipment case
A pacemaker uses Level 3 FPC and passes:
- Copper plating ≥ 0.02mm
- 1000 times folding endurance test
- Ion contamination ≤ 1.56μg/cm²
Implementation suggestions
- Clearly define the application level (1/2/3 level) during the design phase
- Key parameter control: Conductor pitch tolerance ±0.15%~0.3%
- Storage conditions: 22±5℃, RH≤85%
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