Fähigkeiten

LEXINGTON® bietet eine breite Palette von PCB-Fähigkeiten, die auf die spezifischen Anforderungen unserer Kunden zugeschnitten sind. Unsere hochmodernen Fertigungstechniken und unser Fachwissen ermöglichen es uns, Leiterplattenlösungen zu liefern, die höchste Standards in Qualität und Leistung erfüllen.

General PCB Specifications

Parameter Normal Advanced
Product Type Backplane, HDI, High multi-layer blind&buried PCB, Backdrill, Semiconductor Test products; Backplane, HDI, High multi-layer blind&buried PCB, Backdrill
Raw Materials type SY, ITEQ, KB, TUC, Isola, Panasonic, Rogers, Nelco SY, ITEQ, KB, TUC, Isola, Panasonic, Rogers, Nelco
Layer count 20 layer 64 layer
PCB thickness 0.2–7mm (No Soldermask); 0.4–7mm (Have Soldermask) 0.2–7mm (No Soldermask); 0.4–7mm (Have Soldermask)
Max finished PCB size 584.2×889mm (2L); 571.5×850.9mm (4L); 571.5×762mm (6L) 584.2×889mm (2L); 571.5×850.9mm (4L); 571.5×762mm (6L)
Min. finished size 10×10mm 10×10mm
Ionic soil ≤1μg/cm² ≤1μg/cm²
Min. bow & twist 0.75% 0.05%
Impedance tolerance ±5 Ω (<50Ω), ±10% (≥50Ω) ±5 Ω (<50Ω), ±10% (≥50Ω)

Surface Finish Specifications

Parameter Normal Advanced
Surface Finish Lead Free ENIG, Hard gold, Flash gold, HASL Lead Free, OSP, ENEPIG, Soft gold, Immersion silver, Immersion Tin, ENIG+OSP, ENIG+Gold finger, Flash gold (electroplated gold)+Gold finger, Immersion silver+Gold finger, Immersion Tin+Gold finger ENIG, Hard gold, Flash gold, HASL Lead Free, OSP, ENEPIG, Soft gold, Immersion silver, Immersion Tin, ENIG+OSP, ENIG+Gold finger, Flash gold (electroplated gold)+Gold finger, Immersion silver+Gold finger, Immersion Tin+Gold finger
OSP 0.12–0.25 μm 0.2–0.5 μm
ENIG Ni: 3–5 μm; Au: 0.025–0.075 μm Ni: 5–8 μm; Au: 0.075–0.15 μm
Immersion Silver 0.15–0.5 μm 0.15–0.5 μm
Immersion Tin 0.8–1.2 μm 0.8–1.4 μm
Hard gold 0.1–2.0 μm 0.1–4.0 μm
Soft gold <1 μm ≥1 μm
ENEPIG Ni: 3–8 μm, Pd: 0.025–0.1 μm, Au: 0.025–0.05 μm Ni: 5–8 μm, Pd: 0.1–0.5 μm, Au: 0.05–0.1 μm
Flash gold (electroplated) Ni: 3–5 μm; Au: 0.025–0.05 μm Ni: 5–8 μm; Au: 0.025–0.05 μm
Electroplated Gold finger Ni: 3–5 μm; Au: 0.025–1.27 μm Ni: 5–8 μm; Au: 1.27–1.51 μm
Carbon 5–25 μm 5–25 μm
Soldermask (Thickness on knee) ≥5 μm ≥5 μm
Soldermask (Cu Area) 8–55 μm 8–55 μm

Mechanical and Hole Specifications

Parameter Normal Advanced
MAX thickness of mechanical hole 0.1/0.15/0.2 mm; 0.8/1.6/2.5 mm 0.8/1.6/2.5 mm
Finished mechanical hole size 0.15–6.5 mm 0.1–6.5 mm
Min. PTFE & Hybrid Finished Hole size 0.3 mm (drill tool size 0.4 mm) 0.25 mm (drill tool size 0.35 mm)
Half holes size (min half-hole/pth) 0.3 mm (drill tool size 0.4 mm) 0.3 mm (drill tool size 0.4 mm)
Via in Pad Hole size 0.2–1 mm (for 0.4–6 mm board thickness) 0.2–1 mm (for 0.4–6 mm board thickness)
Max aspect ratio (via filled with resin board) 12:1 15:1
Max aspect ratio for Mechanical Holes
(20:1 for >0.4 mm; 18:1 for 0.4 mm; 16:1 for 0.25–0.4 mm; 14:1 for 0.15–0.2 mm)
20:1; 18:1; 16:1; 14:1 20:1; 18:1; 16:1; 14:1
Min. depth (backdrill) 0.2 mm 0.2 mm
Min gap between hole wall and conductor
(Normal: 0.14 mm ≤8L, 0.165 mm (10–14L), 0.18 mm (>14L); Advanced: 0.18 mm, 0.23 mm, 0.25 mm)
0.14–0.18 mm 0.18–0.25 mm
Min space between hole walls (different net) 0.25 mm 0.25 mm
Min space between hole walls (same net) 0.15 mm 0.15 mm
Min space between NPTH hole walls 0.2 mm 0.2 mm
Hole location tolerance ±0.05 mm ±0.05 mm
NPTH tolerance ±0.05 mm ±0.05 mm
Pressfit holes tolerance ±0.05 mm ±0.05 mm
Min Countersink hole size tolerance ±0.15 mm ±0.15 mm
Min Countersink depth tolerance ±0.15 mm ±0.10 mm
MAX drilling tool size for via filled with Soldermask
(single side; 0.4–5mm / 0.4–6mm boards)
0.2–0.6 mm (0.4–5 mm) 0.2–0.65 mm (0.4–6 mm)

Pad & Copper Specifications

Parameter Normal Advanced
Min Pad size for mechanical drillings 0.4 mm (0.2 mm drillings) 0.4 mm (0.2 mm drillings)
Min BGA pad size
(HASL: 0.25 mm, LF HASL: 0.3 mm; other tech – 0.25 mm; 0.18 mm ok for flash gold)
0.25–0.3 mm 0.25–0.3 mm
Pad size tolerance (BGA)
(Normal: ±0.038 mm / ±15%; Advanced: ±0.03 mm / ±10%)
±0.038 mm (≤0.25 mm) or ±15% (>0.25 mm) ±0.03 mm (≤0.25 mm) or ±10% (>0.25 mm)
1/2 OZ Copper 75/75 μm 75/75 μm
1 OZ Copper 75/100 μm 75/75 μm
2 OZ Copper 150/160 μm 120/130 μm
3 OZ Copper 180/240 μm 150/200 μm
4 OZ Copper 250/300 μm 200/250 μm
5 OZ Copper 250/380 μm 200/330 μm
6 OZ Copper 280/500 μm 250/420 μm
Ordinary wire width tolerance 20% 8%–10%
Impedance wire width tolerance 10% 5%–10%

Base Copper & Finishing Details

Parameter Normal Advanced
Base copper (1/3 oz, 0.5 oz) ≥35 μm (35–42.5 μm ref.); ≥40.4 μm (40.4–48.5 μm ref.) ≥35 μm (35–42.5 μm ref.); ≥40.4 μm (40.4–48.5 μm ref.)
Base copper (1 oz, 1.43 oz, 2 oz) ≥55.9 μm; ≥70 μm; ≥86.7 μm ≥55.9 μm; ≥70 μm; ≥86.7 μm
Base copper (3 oz, 4 oz) ≥117.6 μm; ≥148.5 μm ≥117.6 μm; ≥148.5 μm
Soldermask color Green, Yellow, Black, Blue, Red, White/Grey/Orange/Purple Green, Yellow, Black, Blue, Red, White/Grey/Orange/Purple
Silkscreen color White, Yellow, Black White, Yellow, Black
Base copper ≤0.5 oz, Immersion Tin 0.2 mm (Black), 0.14 mm (Other), 0.2 mm (on copper area) 0.2 mm (Black), 0.14 mm (Other), 0.2 mm (on copper area)
Base copper ≤0.5 oz, Finish treatment (non–Immersion Tin) 0.14 mm (Black, extremity 0.13 mm), 0.1 mm (Other, extremity 0.09 mm), 0.2 mm (on copper area) 0.14 mm (Black, extremity 0.13 mm), 0.1 mm (Other, extremity 0.09 mm), 0.2 mm (on copper area)
Base copper 1 oz 0.1 mm (Green), 0.13 mm (Other), 0.14 mm (Black, extremity 0.13 mm), 0.2 mm (on copper area) 0.1 mm (Green), 0.13 mm (Other), 0.14 mm (Black, extremity 0.13 mm), 0.2 mm (on copper area)
Base copper 1.43 oz 0.1 mm (Green), 0.14 mm (Other), 0.15 mm (Black), 0.2 mm (on copper area) 0.1 mm (Green), 0.14 mm (Other), 0.15 mm (Black), 0.2 mm (on copper area)
Base copper 2 oz–4 oz 0.15 mm, 0.2 mm (on copper area) 0.15 mm, 0.2 mm (on copper area)

V‑CUT Specifications

Parameter Normal Advanced
H ≤ 1 mm 0.3 mm (20°), 0.33 mm (30°), 0.37 mm (45°) 0.3 mm (20°), 0.33 mm (30°), 0.37 mm (45°)
40 < H ≤ 1.6 mm 0.36 mm (20°), 0.4 mm (30°), 0.5 mm (45°) 0.36 mm (20°), 0.4 mm (30°), 0.5 mm (45°)
1.6 < H ≤ 2.4 mm 0.42 mm (20°), 0.5 mm (30°), 0.64 mm (45°) 0.42 mm (20°), 0.5 mm (30°), 0.64 mm (45°)
2.4 < H ≤ 3 mm 0.47 mm (20°), 0.58 mm (30°), 0.77 mm (45°) 0.47 mm (20°), 0.58 mm (30°), 0.77 mm (45°)
V‑CUT symmetrical tolerance ±0.1 mm ±0.1 mm
MAX V‑CUT lines 100 100
V‑CUT angle tolerance ±5° ±3°
V‑CUT angles 20°, 30°, 45°, 60°, 90° 15, 18

Gold Finger Specifications

Parameter Normal Advanced
Gold finger bevelling 15–45° 60°
Gold finger bevelling tolerance ±5° ±5°
Min gap between gold finger and edge 0.2 mm 0.2 mm

CNC Routing & Milling

Parameter Normal Advanced
Depth (Milling) tolerance ±0.1 mm ±0.1 mm
CNC Routing tolerance (edge to edge) ±0.1 mm ±0.1 mm

Routing/Drilling Slot Tolerances

Parameter Normal Advanced
Routing slot (PTH) tolerance (w/l) ±0.13 mm ±0.13 mm
Routing slot (NPTH) tolerance (w/l) ±0.1 mm ±0.1 mm
Drilling slot (PTH) width tolerance
(Length tolerance: ±0.076 mm if L/W ≥2; ±0.1 mm otherwise)
±0.076–0.1 mm ±0.076–0.1 mm
Drilling slot (NPTH) width tolerance
(Length tolerance: ±0.05 mm if L/W ≥2; ±0.076 mm otherwise)
±0.05–0.076 mm ±0.05–0.076 mm

HDI & Laser Drilling Specifications

Parameter Normal Advanced
HDI type
(e.g., 1+n+1, 1+1+n+1+1, 2+n+2, 3+n+3 [n ≤0.3 mm])
1+n+1, 1+1+n+1+1, 2+n+2, 3+n+3; Laser blind via can be filling plating and any layer Laser 1+n+1, 1+1+n+1+1, 2+n+2, 3+n+3; Laser blind via can be filling plating and any layer Laser
Min laser drilling size 0.1 mm 0.1 mm
Max laser drilling size 0.15 mm 0.15 mm
Max aspect ratio
(including copper thickness)
1:1 0.9:1
Min gap between hole wall conductor
(Laser blind hole: 0.18 mm [1+N+1]; 0.2 mm [1+1+N+1+1 or 2+N+2])
0.18–0.2 mm 0.18–0.2 mm
Laser hole – min space between walls (same net) 0.15 mm 0.15 mm
Min pad size for laser drillings
(0.25 mm for 0.1 mm via; 0.28 mm for 0.13 mm via)
0.25–0.28 mm 0.25–0.28 mm

Blind & Buried Via Specifications

Parameter Normal Advanced
Blind & Buried via type 3 times lamination 3 times lamination
Min Hole size 0.1 mm 0.1 mm
Max Hole size 0.3 mm 0.3 mm
Max aspect ratio
(1.3:1 if drill ≤0.2 mm; 1.15:1 if drill ≥0.25 mm)
1.3:1 / 1.15:1 1.3:1 / 1.15:1
Min gap between hole wall conductor
(Normal: 0.2 mm, 0.25 mm, 0.3 mm; Advanced: 0.18 mm, 0.2 mm, 0.23 mm)
0.2–0.3 mm 0.18–0.23 mm
Min space between hole walls (same net) 0.25 mm 0.25 mm
Min Pad size 0.25 mm 0.25 mm