DuxPCB Technologies Co., Ltd.
| Payment Terms | MoneyGram,Western Union,T/T,D/P,D/A,L/C |
| Supply Ability | 30,000㎡/month |
| Delivery Time | 3–5 days for prototype, 7–10 days for mass production |
| Packaging Details | Vacuum + anti-static bag + foam + outer carton |
| Name | PCB Design Service |
| Brand Name | DuxPCB |
| Model Number | PCB Silkscreen |
| Certification | UL,ISO 9001, ISO 14001, ISO 13485, ITAF 16949, ROHS,REACH. |
| Place of Origin | China |
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Product Specification
| Payment Terms | MoneyGram,Western Union,T/T,D/P,D/A,L/C | Supply Ability | 30,000㎡/month |
| Delivery Time | 3–5 days for prototype, 7–10 days for mass production | Packaging Details | Vacuum + anti-static bag + foam + outer carton |
| Name | PCB Design Service | Brand Name | DuxPCB |
| Model Number | PCB Silkscreen | Certification | UL,ISO 9001, ISO 14001, ISO 13485, ITAF 16949, ROHS,REACH. |
| Place of Origin | China | ||
| High Light | Aerospace PCB Silkscreen ，LPI PCB Design Service ，Aerospace PCB Board Design | ||
PCB Silkscreen | 4mil LPI High-Resolution | Aerospace & Defense Manufacturing | DuxPCB
In the realm of high-density interconnect (HDI) and Class 3 electronics, PCB silkscreen serves as the critical communication layer for automated assembly and long-term maintenance. DuxPCB provides high-resolution legend printing that survives the harshest environments found in aerospace, defense, and medical sectors. Using advanced Liquid Photo-Imaging (LPI) and Direct Legend Printing (DLP) technologies, we achieve 4mil fine-pitch precision, ensuring that component designators, polarity markers, and traceability codes remain perfectly legible even on crowded 0201 or 01005 footprints. Our engineering team meticulously validates every legend layer to prevent ink encroachment on solder pads, which is a common cause of assembly failure in fine-pitch layouts.
As components shrink, the tolerance for silkscreen misalignment reaches near-zero. DuxPCB utilizes LPI technology to achieve registration accuracy that far exceeds traditional manual screening. By using photo-sensitive inks and high-precision film alignment, we ensure that text and outlines are precisely registered with the solder mask openings. This technical rigor is essential for medical and industrial boards where a misaligned polarity marker could lead to catastrophic assembly errors. For designs requiring serialized tracking, our Direct Legend Printing (DLP) capability allows for unique variable data, including QR codes and barcodes, directly onto the substrate with micron-level accuracy.
| Category | Feature/Specification | Technical Detail |
|---|---|---|
| Legend Types & Content | Test Point | Identifies measurement locations for troubleshooting. |
| Warning Flags | Specifies high current, power, and voltage safety values. | |
| Reference Flags | Values for resistors and inductors to prevent placement errors. | |
| Polarity Flag | Indicates component orientation and diode polarity. | |
| Unique ID | Individual board serialization for assembly traceability. | |
| Part Numbering | Standardized numbering to facilitate PCBA inspection. | |
| Component Outline | Precise footprint marking to ensure zero missed installs. | |
| Other Markings | Company logos, date codes, and UL/RoHS compliance marks. | |
| Copper-Relative Dimensions | Base Copper 0.5oz | Min Width: 4mil | Min Height: 24mil |
| Base Copper 1.0oz | Min Width: 5mil | Min Height: 30mil | |
| Base Copper 2.0oz | Min Width: 6mil | Min Height: 36mil | |
| Technology Comparison | Precision | Manual: Moderate | DLP: Moderate-High | LPI: High |
| Resolution | Manual: Good | DLP: Good | LPI: Excellent | |
| Complex Designs | Manual: Limited | DLP: Limited | LPI: Well-suited | |
| High Detail | Manual: Limited | DLP: Limited | LPI: Yes | |
| Cost Consideration | Manual: Moderate | DLP: Lower | LPI: Higher | |
| Setup Time | Manual: Moderate | DLP: Shorter | LPI: Longer | |
| DFM Accommodation | Manual: Simplified | DLP: Simplified | LPI: Accommodated | |
| Alignment Tolerance | Manual: Moderate | DLP: Critical | LPI: Critical | |
| Substrate Compatibility | Manual: Flat Only | DLP: Broad | LPI: Broad | |
| DuxPCB Competencies | Silkscreen Colors | White, Yellow, Black |
| Approved Ink Brands | KSM-388 (W/B), Taiyo S-380W (White), ATA-5000 (Yellow) | |
| Resolution Minimums | Line Width: 5mil | Text Height: 27mil | |
| Character Printing | Serial Numbers, Bar Codes, QR Codes (White Only) | |
| Pad Clearances | Minimum Silkscreen to Solder Pad Space: 6mil |
Q1: What is the primary advantage of LPI over manual silkscreen?
A: LPI provides significantly higher registration accuracy and resolution, making it the preferred choice for HDI boards and fine-pitch components where legend space is extremely limited.
Q2: Why does copper thickness affect the minimum silkscreen width?
A: Heavier copper creates larger surface topography variations. As copper thickness increases, the silkscreen ink requires wider line widths to ensure continuous, legible coverage across the steps in the board surface.
Q3: Can DuxPCB provide customized QR codes for medical device traceability?
A: Yes. Utilizing our Character Printer (DLP) technology, we can print serialized barcodes and QR codes in white ink for unit-level tracking throughout the product lifecycle.
Upload your Gerber files today for a comprehensive DFM review of your silkscreen and legend layers. Our engineering team is ready to optimize your high-reliability board design for seamless manufacturing and assembly.
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
10 Million USD-50 Million
Employee Number:
201~500
Ecer Certification：
Verified Supplier
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