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project project name Process capability
Overall process capability Number of layers Floors 1-30
High frequency hybrid HDI Ceramic materials and PTFE materials can only be drilled by mechanical drilling, blind burial, controlled depth drilling, back drilling, etc. (laser drilling is not allowed, and copper foil cannot be directly pressed)
High speed HDI Produced according to standard HDI procedures
Laser order Levels 1-5 (review required for levels ≥ 6)
Plate thickness range 0.1-5.0mm (less than 0.2mm, greater than 6.5mm to be reviewed)
Minimum finished product size Single board 5 * 5mm (less than 3mm requires review)
Maximum finished product size 2-20 floors 21 * 33 inches; Note: If the short edge of the board exceeds 21 inches, it needs to be reviewed.
Maximum completed copper thickness Outer layer 8OZ (review required for sizes greater than 8OZ), inner layer 6OZ (review required for sizes greater than 6OZ)
Minimum completed copper thickness 1/2oz
Interlayer alignment ≤3mil
Range of through-hole filling Plate thickness ≤ 0.6mm, aperture ≤ 0.2mm
Thickness range of resin plug hole plate 0.254-6.0mm, PTFE board resin plug hole needs to be reviewed
Plate thickness tolerance Plate thickness ≤ 1.0mm; ± 0.1mm
Plate thickness>1.0mm; ± 10%
Impedance tolerance ±5Ω(<50Ω),±10%(≥50Ω); ± 8% (≥ 50 Ω, subject to review)
Warpage Conventional: 0.75%, limit 0.5% (subject to review), maximum 2.0%
Number of pressing cycles Pressing the same core board ≤ 5 times (review required for more than 3 times)
Material type Ordinary Tg FR4 Shengyi S1141, Jiantao KB6160A, Guoji GF212
Medium Tg FR4 Shengyi S1150G (medium Tg board), Jiantao KB6165F, Jiantao KB6165G (halogen-free)
High Tg FR4 Shengyi S1165 (halogen-free), Jiantao KB6167G (halogen-free), Jiantao KB6167F
aluminum substrate Guoji GL12, Clear CS-AL-88/89 AD2, Juqin JQ-143 1-8 layer mixed pressure FR-4
Types of materials used for HDI boards LDPP (IT-180A 1037 and 1086), regular 106 and 1080
High CTI Shengyi S1600
High Tg FR4 Isola:FR408、FR408HR、IS410、FR406、GETEK、PCL-370HR; Lianmao: IT-180A
IT-150DA; Nelco:N4000-13、N4000-13EP、N4000-13SI、N4000-13EP
SI; Panasonic: R-5775K (Megtron 6), R-5725 (Megtron 4); Jiantao: KB6167F;
Taiguang: EM-827; Hongren: GA-170; South Asia: NP-180; Taiyao: TU-752, TU-662;
Hitachi: MCL-BE-67G (H), MCL-E-679 (W), MCL-E-679F (J); Tenghui: VT-47;
Ceramic powder filled high-frequency materials Rogers:Rogers4350、Rogers4003; Arlon:25FR、25N;
Polytetrafluoroethylene high-frequency material Rogers series, Taconic series, Arlon series, Nelco series, TP series
PTFE semi cured sheet Taconic: TP series, TPN series, HT1.5 (1.5mil), Fastrise series
Material mixing pressure Rogers, Taconic, Arlon, Nelco, and FR-4
Metal substrate Number of layers Aluminum and copper substrates: 1-8 layers; Cold plate, sintered plate, buried metal plate: 2-24 layers; Ceramic board: 1-2 layers;
Finished product dimensions (aluminum substrate, copper substrate, cold plate, sintered plate, buried metal plate) MAX:610*610mm、MIN:5*5mm
Maximum production size (ceramic board) 100*100mm
Finished board thickness 0.5-5.0mm
copper thickness 0.5-10 OZ
Metal base thickness 0.5-4.5mm
Metal based material AL:1100/1050/2124/5052/6061; Copper: Purple copper, pure iron
Minimum finished aperture and tolerance NPTH: 0.5 ± 0.05mm; PTH (aluminum substrate, copper substrate): 0.3 ± 0.1mm; PTH (cold plate, sintered plate, buried metal plate): 0.2 ± 0.10mm;
Shape processing accuracy ±0.2mm
Surface treatment process for PCB parts Lead free tin spraying; OSP; Sinking nickel (palladium) gold; Electric (nickel) soft/hard gold; Electroplated tin plating; Nickel free electroplating of soft and hard gold; Thick gold production
metal surface treatment Copper: Nickel plated gold; Aluminum: anodizing, hard oxidation, chemical passivation; Mechanical processing: dry sand spraying, wire drawing
Metal based materials Full treasure aluminum substrate (T-110, T-111); Tenghui aluminum substrate (VT-4A1, VT-4A2, VT-4A3); Laird aluminum substrate (1KA04, 1KA06); Beige metal substrate (MP06503, HT04503); TACONIC metal substrates (TLY-5, TLY-5F);
Thickness of thermal conductive adhesive (dielectric layer) 75-150um
Size of buried copper block 3*3mm—70*80mm
Flatness of buried copper blocks (drop accuracy) ±40um
Distance from buried copper block to hole wall ≥12mil
thermal conductivity 0.3-3W/m.k (aluminum substrate, copper substrate, cold plate); 8.33W/m.k (sintered plate); 0.35-30W/m.k (buried metal plate); 24-180W/m.k (ceramic board);
product type rigid plate Backboard HDI、 Multi layer buried blind holes, thick copper plates, thick copper power supplies, semiconductor test boards
Stacking method Multiple compression blind buried orifice plates Same side compression ≤ 3
HDI board type 1 n 1, 1 1 n 1, 2 n 2, 3 n 3 (buried holes in n ≤ 0.3mm), laser blind holes can be electroplated and filled
Local mixed pressure Minimum distance from mechanical drilling to conductor in local mixed pressure area ≤ 10 layers: 14mil; 12th floor: 15mil; 12th floor: 18mil
Minimum distance from local mixed pressure boundary to drilling hole ≤ 12 layers: 12mil; 12th floor: 15mil
Surface Treatment unleaded Electroplating copper nickel gold, immersion gold, hard gold plating (with/without nickel), gold-plated fingers, lead-free tin spraying OSP、 Chemical nickel palladium gold, soft gold plating (with/without nickel), silver deposition, tin deposition ENIG OSP、ENIG G/F、 Full board gold-plated G/F, silver plated G/F, tin plated G/F
There is lead Lead spray tin
Thickness to diameter ratio 10: 1 (Lead/lead-free tin spraying, chemical nickel gold deposition, silver deposition, tin deposition, chemical nickel palladium gold); 8:1(OSP)
Processing size (MAX) Gold deposition: 520 * 800mm, vertical tin deposition: 500 * 600mm, horizontal tin deposition: less than 500mm on one side; horizontal silver deposition: less than 500mm on one side; lead/lead-free spray tin: 520 * 650mm; OSP: less than 500mm on one side; electroplated hard gold: 450 * 500mm; not allowed to exceed 520mm on one side
Processing size (MIN) Tin deposition: 60 * 80mm; Silver deposition: 60 * 80mm; Lead/lead-free spray tin: 150 * 230mm; OSP: 60 * 80mm; At the surface of the walking board that is smaller than the above size
Processing plate thickness Gold deposition: 0.2-7.0mm, tin deposition: 0.3-7.0mm (vertical tin deposition line), 0.3-3.0mm (horizontal line); Silver deposition: 0.3-3.0mm; lead/lead-free tin spraying: 0.6-3.5mm; tin spraying plates below 0.4mm require review and production; OSP:0.3-3.0mm; Electroplated hard gold: 0.3-5.0mm (plate thickness ratio 10:1)
The minimum spacing between the IC of the gold-plated board or the minimum spacing between the PAD and the wire 3mil
Golden finger height maximum 1.5inch
Minimum distance between golden fingers 6mil
Minimum interval between segmented golden fingers 7.5mil
Surface coating thickness HASL 2-40um (the thinnest thickness of the lead sprayed tin surface is 0.4um, and the thinnest thickness of the lead-free sprayed tin surface is 1.5um)
OSP Film thickness: 0.2-0.4um
Chemical nickel gold deposition Nickel thickness: 3-5um; Gold thickness: 1-3uinch, review required for ≥ 3uinch
Chemical precipitation of silver 6-12uinch
Chemical tin deposition Tin thickness ≥ 1um
Electroplated hard gold 2-50uinch
Electroplating soft gold Gold thickness 0.10-1.5um (dry film plating process), gold thickness 0.10-4.0um (non dry film plating process)
Chemical nickel palladium gold NI:3-5um,Pd:1-6uinch,Au:1-4uinch
Electroplated copper nickel gold Gold thickness 0.025-0.10um, nickel thickness ≥ 3um, maximum base copper thickness 1OZ
Gold finger nickel plating Gold thickness 1-50uinch (required value refers to the thinnest point), nickel thickness ≥ 3um
Carbon Oil 10-50μm
green oil Copper surface cover oil (10-18um), through-hole cover oil (5-8um), line corner ≥ 5um (one-time printing, copper thickness below 48um)
Blue Glue 0.20-0.80mm
drill 0.1/0.15/0.2mm maximum plate thickness for mechanical drilling 0.8mm/1.5mm/2.5mm
Laser drilling with the smallest aperture 0.1mm
Laser drilling with maximum aperture 0.15mm
Mechanical hole diameter (finished product) 0.10-6.2mm (corresponding to drill bit 0.15-6.3mm)
The minimum finished hole diameter of PTFE material (mixed pressure) plate is 0.25mm (corresponding to a drill bit diameter of 0.35mm)
Mechanical blind hole diameter ≤ 0.3mm (corresponding to drilling tool 0.4mm)
Disk hole green oil plug hole drilling diameter ≤ 0.45mm (corresponding to drill bit 0.55mm)
The minimum diameter of the connecting hole is 0.35mm (corresponding to a drilling tool diameter of 0.45mm)
The minimum diameter of the metalized half hole is 0.30mm (corresponding to a drilling tool of 0.4mm)
Maximum thickness to diameter ratio of through-hole plate 20: 1 (Excluding tool diameter ≤ 0.2mm; >12:1 to be evaluated)
Laser drilling with maximum depth to aperture ratio 1:1
Mechanical controlled deep drilling for blind holes with maximum depth to aperture ratio 1.3:1 (aperture ≤ 0.20mm), 1.15:1 (aperture ≥ 0.25mm)
Mechanical controlled deep drilling (back drilling) with minimum depth 0.2mm
Drilling - Minimum distance from mechanical drilling to conductor (non buried blind hole plate and first-order laser blind hole) 5.5mil (≤ 8 layers); 6.5mil(10-14); 7mil (>14 layers)
Drilling - Minimum distance from mechanical drilling to conductor (mechanical buried blind hole plate and second-order laser buried blind hole) 7mil (one-time compression); 8mil (secondary compression); 9mil (three presses)
Drilling - Minimum distance from mechanical drilling to conductor (laser blind buried hole) 7mil(1 N 1); 8mil (1 1 N 1 1 or 2 N 2)
Drilling - laser drilling to the minimum distance of the conductor (1st and 2nd order HDI board) 5mil
Drilling - Minimum distance between different network hole walls (after compensation) 10mil
Drilling - Minimum distance between walls of holes in the same network (after compensation) 6mil (through-hole; Laser blind hole); 10mil (mechanical blind buried hole)
Minimum distance between borehole and non-metallic borehole wall (after compensation) 8mil
Drilling hole position tolerance (compared to CAD data) ±2mil
Drilling - NPTH hole diameter tolerance minimum ±2mil
Drilling - Precision of hole diameter for solder free devices ±2mil
Drilling - Cone hole depth tolerance ±0.15mm
Drilling - Cone shaped hole diameter tolerance ±0.15mm
Solder pad (ring) The smallest size of the inner and outer solder pads in the laser hole 10mil (4mil laser hole), 11mil (5mil laser hole)
Minimum size of inner and outer solder pads in mechanical via holes 16mil (8mil aperture)
BGA solder pad diameter minimum Lead spray tin process 10mil, lead-free spray tin process 12mil, other processes 7mil
Solder Pad Tolerance (BGA) /-1.2mil (solder pad<12mil); /-10% (solder pad ≥ 12mil)
Line width/spacing Limit line width corresponding to copper thickness
1/2OZ:3/3mil
1OZ: 3/4mil
2OZ: 5/5mil
3OZ: 7/7mil
4OZ: 12/12mil
5OZ: 16/16mil
6OZ: 20/20mil
7OZ: 24/24mil
8OZ: 28/28mil
9OZ: 30/30mil
10OZ: 32/30mil
Line width tolerance ≤10mil: /-1.0mil
>10mil: /-1.5mil
Solder mask character Maximum drilling diameter of solder mask plug hole (with oil cover on both sides) 0.5mm
Solder mask ink color Green, yellow, black, blue, red, white, purple, matte green, matte oil black, high refractive index white oil
Character ink color White, yellow, black
Maximum diameter of blue adhesive aluminum plug hole 5mm
Resin plug hole drilling aperture range 0.1-1.0mm
Maximum thickness to diameter ratio of resin plug hole 12:1
Minimum width of solder bridge Special requirements are needed for controlling solder bridges with 4mil green oil and 6mil mixed color
Minimum character line width White characters 3mil high 24mil; Black characters 5ml high 32mil
Minimum spacing for hollow characters Hollow width 8mil, height 40mil
Solder mask hollow letters Hollow width 8mil, height 40mil
shape Distance from the centerline of V-CUT without copper leakage to the graphic H ≤ 1.0mm: 0.3mm (20 ° refers to V-CUT angle), 0.33mm (30 °), 0.37mm (45 °);
1.0 < H ≤ 1.6mm: 0.36mm (20 °), 0.4mm (30 °), 0.5mm (45 °);
1.6<H ≤ 2.4mm: 0.42mm (20 °), 0.51mm (30 °), 0.64mm (45 °);
2.4<H ≤ 3.2mm: 0.47mm (20 °), 0.59mm (30 °), 0.77mm (45 °);
V-CUT symmetry tolerance ±4mil
The maximum number of V-CUT lines 100 items
V-CUT angle tolerance ± 5 degrees
V-CUT angle specification 20. 30, 45 degrees
Golden finger chamfer angle 20. 30, 45 degrees
Golden finger chamfer angle tolerance ± 5 degrees
The minimum distance for TAB near the golden finger to prevent tipping injuries 6mm
Minimum distance between the side edge of the golden finger and the outer edge line 8mil
Depth accuracy of controlled depth milling groove (edge) (NPTH) ±0.10mm
Boundary dimension accuracy (edge to edge) ±8mil
Minimum tolerance for milling slot holes (PTH) Slot width and slot length direction are both ± 0.15mm
Minimum tolerance for milling slot holes (NPTH) Slot width and slot length direction are both ± 0.10mm
Minimum tolerance of drilling slot (PTH) Slot width direction ± 0.075mm; slot length/width<2: slot length direction/-0.1mm; slot length/width ≥ 2: slot length direction/-0.075mm
Minimum tolerance for drilling slot holes (NPTH) Slot width direction ± 0.05mm; slot length/width<2: slot length direction/-0.075mm; slot length/width ≥ 2: slot length direction/-0.05mm

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