Параметры процесса PCB

Профессиональное производство — от однослойных плат до 32 слоёв. Полные спецификации для PCB, FPC и SMT.

Мгновенный расчёт
Зелёный
Фиолетовый
Красный
Жёлтый
Синий
Белый
Чёрный

Паяльная маска: Зелёный

IC-001 EAZYPCB
Материал и размер платы
ПараметрВозможностиПримечание
Base MaterialFR-4 / Aluminum / Copper / High-Frequency / FPCFR-4 is standard; aluminum/copper for thermal management; Rogers/PTFE for RF applications
Layer Count1 — 32 LayersStandard: 2/4/6/8L. 8+ layers use HDI or lamination; contact us for 32L+
Max Board Size600 × 900 mmOversized boards may affect yield and pricing — confirm in advance
Min Board Size5 × 5 mmVery small boards recommended to be panelized
Board Thickness0.1 — 6.0 mmStandard: 0.8mm 1.0mm 1.2mm 1.6mm 2.0mm
Thickness Tolerance± 0.10 mm (≤1.6mm)
± 10% (>1.6mm)
High-precision boards can specify ± 0.08mm tolerance
Bow & Twist≤ 0.75%High-density BGA boards require ≤ 0.5%; SMT assembly boards recommended ≤ 0.5%
Медь и дорожки
ПараметрВозможностиПримечание
Outer Layer Copper0.5 oz — 6 ozStandard: 1 oz (35μm). High-current designs: 2–4 oz; 6 oz requires evaluation
Inner Layer Copper0.5 oz — 4 ozStandard: 1 oz (35μm). Affects impedance calculations
Min Trace Width2 mil (0.05mm)Recommended: 4 mil. 2–3 mil is precision process requiring confirmation
Min Trace Spacing2 mil (0.05mm)Recommended: 4 mil. Smaller spacing reduces yield
Trace Width Tolerance± 20% (≥ 5mil)
± 15% (< 5mil)
Impedance-controlled traces must specify target impedance in Gerber files
Impedance Control± 10%Differential impedance (100Ω typical) and single-ended (50Ω typical) supported; stackup required
Сверление и переходные отверстия
ПараметрВозможностиПримечание
Min Mechanical Drill0.20 mmRecommended: 0.30mm. 0.2mm is precision drilling at higher cost
Min Laser Via (HDI)0.10 mmFor blind/buried via designs — common in smartphones and high-density products
Drill Accuracy± 0.05 mmHigh-precision hole placement: ± 0.03mm available
Hole Tolerance+ 0.08 / − 0.05 mmPTH finished hole = drill size − plating thickness (approx. 0.04–0.06mm)
Max Aspect Ratio10 : 1For 1.6mm board, recommend via ≥ 0.2mm. HDI can exceed standard limits
Blind / Buried ViasSupported (≥ 4 layers)HDI 1+N+1 to 2+N+2 structures available
Покрытие площадок и внешний вид
ПараметрВозможностиПримечание
Surface FinishHASL / Lead-Free HASL / ENIG / OSP / Immersion Silver / Immersion Tin / ENEPIG HASL Low cost, good for THT
ENIG Flat surface, ideal for BGA/fine-pitch
OSP RoHS-friendly for SMT; Immersion Ag/Sn for high-frequency
Solder Mask ColorGreen / Red / Blue / Yellow / Black / White / PurpleGreen is standard with the fastest turnaround; other colors may add 1–2 days
Silkscreen ColorWhite / Black / YellowCommon pairings: green board + white text; black board + white text
Solder Mask Thickness10 — 40 μmTypical: 15–25μm
Min Solder Mask Gap4 mil (0.1mm)BGA solder mask opening (NSMD/SMD) must be specified
Gold FingersSupportedUsed for PCIe, DDR interfaces; gold thickness 0.03–3μm
Board ProfileCNC Routing / V-Scoring / Laser CuttingIrregular shapes (round, L-shaped) use CNC routing; V-score for regular rectangular panels
Электротест и контроль качества
ПараметрВозможностиПримечание
Electrical TestFlying Probe / Universal FixtureFixture testing recommended for production runs (lower cost); flying probe for prototypes (no fixture needed)
Test StandardIPC-A-600 Class 2 / Class 3Default Class 2; Class 3 (military/medical) must be declared in advance
CertificationsISO 9001 / ISO 14001 / UL / RoHSUL certification reports and RoHS compliance declarations available
AOI Inspection100% Full InspectionAutomated Optical Inspection detects short circuits, open circuits, and solder defects
X-Ray InspectionSupported (BGA applications)Inspects hidden solder joints under BGA / QFN packages
🎁 Oferta de Protótipo FPC Grátis: Clientes pela primeira vez recebem amostra de protótipo FPC grátis (dupla camada, ≤100cm²). Entre em contato para solicitar.
Базовые параметры FPC
ПараметрВозможностиПримечание
Layer Count1 — 6 Layers1L and 2L are most common; 4L+ is for high-density designs
Max Board Size250 × 500 mmFPC longer than 500mm should be designed in segments
Min Board Size5 × 5 mm
Finished Thickness0.1 — 0.5 mmStandard: 0.1mm (single-layer), 0.2mm (dual-layer)
Bend Radius≥ 6 × copper thicknessDynamic bending (repeated flexing) must be declared; special rolled copper required
Дорожки и vias FPC
ПараметрВозможностиПримечание
Copper Weight0.5 oz — 2 ozStandard: 1 oz. Dynamic bending applications: 0.5 oz rolled annealed copper
Min Trace / Space2 mil / 2 mil (0.05mm)Recommended: 3 mil. 2 mil is precision FPC requiring special process
Min Via Diameter0.10mm (laser)
0.20mm (mechanical)
FPC commonly uses laser drilling for blind vias
Drill Accuracy± 0.05 mm
Покрытие и coverlay FPC
ПараметрВозможностиПримечание
Surface FinishENIG / OSP / Immersion TinENIG is the most common choice — excellent solderability and shelf life
Coverlay (CVL)Yellow PI / White PI / Matte Black PICoverlay acts as solder mask; yellow PI is standard; white used for backlight/labeling
StiffenerFR-4 / PI / Steel / AluminumRequired at connector areas to increase insertion strength
EMI ShieldingSupported (conductive adhesive film)Used in signal-sensitive areas (antennas, USB) for EMI shielding
Размещение компонентов SMT
ПараметрВозможностиПримечание
Min Component Size0201 (Imperial) / 0.6×0.3mmRecommended: 0402; 01005 ultra-micro requires special evaluation
Max Component Size150 × 150 mmOversized components may require special placement fixtures
Max Component Height35 mm
Placement Accuracy± 0.04 mm (Cpk ≥ 1.33)High-precision equipment suitable for 0.4mm-pitch BGA, QFN, and other fine-pitch components
BGA Min Ball Pitch0.40 mm0.35mm pitch requires special evaluation; X-Ray inspection available post-reflow
Daily Capacity100,000 points/dayMultiple lines can run in parallel; schedule in advance for large volume orders
Паяльная паста и reflow
ПараметрВозможностиПримечание
Stencil TypeLaser-cut stainless steelThickness: 0.08–0.15mm; step stencils available for mixed-pitch designs
Solder PasteLeaded Sn63Pb37 / Lead-Free SAC305Lead-free complies with RoHS; leaded for military/special requirements
Reflow Oven10-zone hot-air reflowNitrogen atmosphere reflow available for oxidation-sensitive components
Wave SolderingSupportedFor through-hole (DIP) components; mixed boards require secondary soldering
Selective SolderingSupportedFor localized through-hole components, avoiding SMD damage during full-board pass
Инспекция и надёжность
ПараметрВозможностиПримечание
AOI Inspection100% Post-ReflowDetects missing components, polarity reversal, misalignment, and bridging defects
X-Ray InspectionSupported (BGA/QFN)Detects cold joints and voids under BGA packages; 2D/3D X-Ray available
ICT In-Circuit TestSupported (test points required)Recommended for high-volume production to verify board electrical function
Functional TestingSupported (customer provides test plan)Functional verification per customer test plan; test report provided
Soldering StandardIPC-A-610 Class 2 / Class 3Default Class 2; Class 3 (military/medical) available upon request
Conformal CoatingSupported (acrylic / polyurethane)Moisture, dust, and corrosion protection for harsh-environment PCBA products

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