2ayer BTPCB

Product Name: LED, IC, LED Beads

Board: Shengyi BT material

Layers: 62 layer BTPCB

Minimum line width/spacing: 3/3mil

Finished product size: 120x240mm/100 * 50 pieces

Lamp PA size 35um, minimum hole 0.05mm,

Surface technology: 2U nickel palladium gold+copper filling, depth control, black solder mask, no need for V-CUT, customers can cut by themselves

Copper thickness: 12um

Plate thickness: 0.80 ± 10%

Testing: Full process four line AOI 100% testing

Minimum hole: mechanical hole 0.50mm, laser hole 0.076mm

Features: Stable performance, minimal expansion and contraction, high temperature resistance, flame retardancy, good shielding stability, etc

Usage: LED light beads, IC， Chips, wafers, etc.

Transport Package：Vacuum packaging+glue sealing+white paper separation+wooden crate

Main Product Structure of Chaosheng Group Company

2-80 layers of rigid circuit boards, 2-50 layers of flexible circuit boards and PCBA production

Chaosheng Group Company mainly produces product categories

High end double-sided, multi-layer, flexible, high-frequency, HDI interconnect, metal based, high thermal conduct
ivitymetal based, ceramic, cut in metal based, cut in buried capacitor, cut in thick copper buried magnet, concave
convexstep substrate, 5G high-speed board, thick copper, thick gold, high carbon resistance, double-sided multi-
layerMiNiLED, MiNiHDILED, MiNiOLED, IC carrier substrate, roll to roll FPC, long FPC, large-sized printed circui
t board, halogen-free material, high-frequency material, high-speed material, metal material, environmentally frie
ndly circuit board,blind buried hole circuit board, high thermal conductivity aluminum based, thermoelectric separ
ation copper based,PDU busbar, iron-based and metal based (core) mixed pressure plate, embedded copper bur
ied copper. Buried resistance buried capacitance buried ceramic bead board, ultra-thin BT board, ceramic substr
ate, IC carrier board, high-frequency mixed voltage, high-speed board, differential impedance board, thick copper
plate, thick gold plated board,HDI An integrated OEM and ODM production factory for Anylayer, double-sided,
multi-layer, HDI FPC, soft hard combination HDI, roll to roll FPC, ultra long FPC, ultra large size PCB production
and product design and development,software development, special material printed circuit boards, etc.

Process Capability Table
Technical ltem		MassProduct	Advanced Technology
		2015	2021	2025
Max.Layer Count		80 layer	100 layer	100 layer
PCB through hole board		2～80 layer	2～100 layer	2～100 layer
Maximum size through hole 1～2		37〞*98.50"	43.3〞*118.11"	43.3〞*118.11"
Minimum line width and spacing		10(0.40)	10(0.40)	7.50（0.30mm）
Minimum mechanical hole(mm)		12(0.50)	10(0.40)	8.50（0.35mm）
Maximum size through hole 4～22 layers		37〞*43.30"	43.3〞*43.30"	43.3〞*43.30"
Maximum size through hole 4～22 layers		31.50 ″*59"	31.50 ″*70.86"	31.50 ″*70.86"
Maximum size through hole 4～22 layers		10(0.40)	10(0.40)	7.50（0.30mm）
Minimum line width and spacing for multi-layer large-sized PCBs		10(0.40)	10(0.40)	7.50（0.30mm）
Maximum size of multi-layer through- hole : 4-22 layers with the smallest hole		12(0.50)	10(0.40)	8.50（0.35mm）
Maximum size HDI 4～36 layers		31.50 ″*55"	31.50 ″*55"	31.50 ″*55"
Minimum line width and line spacing of large size PCB		Through hole 12 / 12milHDI14 /14mil	Through hole 10/10 milHDI12 / 12mil	Through hole 8 / 8milHDI12 / 12mil
The largest board ruler 1 → the smallest hole of 18 layers		Through hole 0.50mmHDI :0.45mm	Through hole 0.50mm HDI : 0.45mm	Through hole 0.50mmHDI : 0.45mm
The layer number of FPC		1～36layer	1～60layer	1～60layer
Maximum size of flexible FPC		19.68〞*55"	28〞*59"	31.49〞*118.12"
Maximum size of flexible FPC with soft hard combination		19.68〞*55"	28〞*59"	31.49〞*118.12"
FPC (roll to roll) maximum size		19.68 ″*7874"	19.68 ″*7874"	19.68 ″*7874"
Maximum size of FPC single chip shipment		19.68 ″*118.11"	19.68 ″*196.8"	19.68 ″*196.80"
The layer number of FPC		2～18 layer	2～36 layer	2～42 layer
Maximum size of layered board		19.68 ″*35"	19.68 ″*43"	19.68 ″*43"
Number of through-hole layers		2～20layer	2～30 layer	2～40 layer
Hard and soft HDI layers		2～14 layer	2～18 layer	2～22 layer
Maximum size of soft and hard combination		19.68 ″*43"	19.68 ″*49"	19.68 ″*49"
FPC/soft-hard combination arbitrary interconnection HDI		4+X+4Interconnect HDI	5+X+5Interconnect HDI	6+X+6Interconnect HDI
HDIPCB layers		4～36layer	4～60layer	4～80 layer
Anylayer HDI PCB		4+X+4Interconnect HDI	5+X+5、Interconnect HDI	8+X+8、Interconnect HDI
HDIPCB maximum board size		24"*52"	43"*49"	43"*49"
Number of through hole layers of high frequency board		2～18 layer	2～36 layer	2～60 layer
HDI layers ofhighfrequency board		2～16 layer	2～24 layer	2～60layer
Maximum size of high frequency board		37 ″*43"	43 ″*49"	43 ″*49"
Number of ceramic plates		1-2 layer	1～4 layer	1～6 layer
Ceramic plate thickness		0.60mm-1.60mm	0.38mm-20.0mm	0.38mm-20.0mm
Maximum size of ceramic plate		100*150mm	150*190mm	150*650mm
Minimum aperture of ceramic plate		0.50mm	0.35mm	0.35mm
Minimum line width and line spacing of ceramic board		16/16mil	12/12mil	10/10mil
Number of layers of metal copper substrate		1-2 layer	1～4 layer	1～6 layer
Maximum line width and line spacing of metal iron substrate		12/12mil	4/4mil	4/4mil
Number of layers of metal aluminum substrateHDI		1-2 layer	1～4 layer	1～6 layer
Maximum size of metal substrate		37 ″*43"	25.59 ″*59"	25.59 ″*59"
The smallest hole of the metal substrate		0.50mm	0.35mm	0.35mm
Minimum line width and line spacing of metal substrate		8/8mil	4/4mil	4/4mil
Transparent FR-       4 material layers		1-2layer	1-2layer	1-8layer
Transparent FR-4 minimum hole		0.35mm	0.35mm	0.35mm
Transparent FR-4 minimum line width and spacing		4/4Mil	4/4Mil	3.5/3.5Mil
Transparent FR- 4 maximum size		23.63*47.25″	23.63*47.25 ″	23.63*47.25 ″
Number of tempered glass base layers		1-2layer	1-2layer	1-2layer
Minimum line width and spacing of glass		4/4Mil	4/4Mil	3.5/3.5Mil
The smallest hole in glass		0.35mm	0.35mm	0.35mm
Maximum size of glass		23.63*47.25″	23.63*47.25 ″	23.63*47.25 ″
Number of layers of transparent PETmaterial		1-2layer	1-2layer	1-2layer
Maximum size of transparent PET		19.68 ″*7874"	19.68 ″*7874"	19.68 ″*7874"
The company's main product types		Halogen free materials, high TG materials, high-frequency materials, high-speed materials, metal materials, glass materials, embedded materials, transparent FR- 4 materials, high thermal conductivity metals, high thermal conductivity aluminum substrates, environmentally friendly circuit boards, BT materials, ABF materials, and other imported materials, DU busbars, iron-based and metal based (core) mixed pressure plates, embedded buried copper, buried resistors, buried capacitors, buried ceramic bead plates, buried ceramics, ceramic mixed pressure plates, multi-layer ceramics, ultra-thin BT plates, ultra-thin PCBs, ultra-thin PCBs, multi-layer aluminum substrates, multi-layer ceramic plates, multi-layer ultra-thin HDI、  High frequency mixed voltage, differential impedance board, thick copper plate, gold-plated plate, high and low copper, high and low copper, high carbon resistance, transparent multilayer, glass plate, HDI arbitrary order (cross blind buried) Anylayer, flexible double-sided, flexible multilayer, soft hard combination HDI, roll to roll FPC, ultra long size, ultra large size board (single, double, multi-layer) PCB production and product design, product development, software development, etc
Main material		Rogers, Taikoni, Yaron, Mitsui, Isola, 3M, Taiyao, Taiguang, Tenghui, Shengyi,Lianmao, Nanya, Doosan, DuPont, Taihong, Hongren, Xinyang, Nippon Steel, Teflon,Yasen, Panasonic, RCC, Mitsui, Mitsubishi, Yingye, 3M, Kyocera, Jiuhao, Zhongci,Huaqing, Aishengda, Sliton, Kaichangde, Tongxin, Beige, Yalong, Taikoni,Hitachi, Laird System, etc
Main material categories		Halogen-free、halogenated、  high thermal conductivity, high TG135 、TG140、  TG150、  TG170、TG180、TG240、TG320
Build-up Material		FR-4 ，TG150,TG70,TG180
Conventional    plate  thickness     (mm)	Min.1-2L(mm)	0.10mm	0.10-12.0mm	0.10-18.0mm
	Min.4-10L(mm)	0.35mm	0.35mm～10.0mm	0.35-18.0mm
	Min.12L(mm)	0.43	0.38～10.0mm	0.38～18.0mm
	Min.16L(mm)	0.53	0.45～10.0mm	0.45～18.0mm
	Min.18L(mm)	0.63	0.51～10.0mm	0.51～18.0mm
	Min.52L(mm)	0.8	0.65～10.0mm	0.65～18.0mm
	MAX(mm)	3.5	12.0mm	18.0mm
Copper plate thickness and copper thickness	1-2 layerCU	700um	875um	875um
	Layers 4-20	4-12layer	4-16layer	4-22layer
	Inner layer copper thickness（um)	875um	1050um	1225um
	Outercopperthickness	210um	350um	525um
	Thick copper finished plate thickness	8.0mm	12.0mm	18.0mm
IC substrate	layerHDI	1-10layer	1-14layer	1-16layer
	Line width and spacing	50um	25um	15um
	copper thickness	8-10um	10-12um	12-15um
Min.CoreThickness um(mil)		254" (10.0)	0.15～254(10.0mm)	0.15～254(10.0mm)
Min.Build up Dielectric		38(1.5)	25(1.0)	25(1.0)
BaseCopperWeigh t	Inner Layer	1/4-8 OZ	1/4-0.30mm	1/4-0.30mm
	Out Layer	1/4-10 OZ	1/4-30 OZ	1/4-30 OZ
Gold thick		1～40u"	1～200u"	1～200u"
Nithick		76～127u"	1～250u"	1～250u"
Min.HOle/Land um(mil)		150/300(6/12)	100/200(4/8)	100/200(4/8)
Min.Laser via/landum(mil)		60/170(2.4/6.8)	50/150(2/6)	50/150(2/6)
Min. IVH、Hole size/landum(mil)		150/300(6/12)	100/200(4/8)	100/200(4/8)
DieletricThickness		38(1.5)	32(1.3)	32(1.3)
		125(5)	125(5)	125(5)
SKipvia		Yes	Yes	Yes
viaoNhie(laserviaon BuriedPTH)		Yes	Yes	Yes
Laser Hole Filling		Yes	Yes	Yes
Technicalltem		MassProduct	Advanced Technology
Hole depth/diameter	Through Hoie	25:01 :00	35:01 :00	40:01 :00
AspctRatio	MicroVia	0.8 :1	0.8 :1	0.8 :1
copperFilling Dimple Size		10(0.40)	5(0.20)	5(0.20)
Minimumouter line width/ spacing	Inner layer line width and spacing	38/38(1.5/1.5)	38/38(1.5/1.5)	38/38(1.5/1.5)
	PlatedLayerum(mil)	38/38(1.5/1.5)	38/38(1.5/1.5)	38/38(1.5/1.5)
BGAPitchmm(mil)		0.4	0.4	0.4
PHMin.Hole rlng um(mil)		75(3)	62.50(2.50	62.50(2.50
Line Width control	<2.5mil(mil)	±0.50	±0.50	±0.50
	2.5mil≤L/W<4mil	±0.50	±0.50	±0.50
	≤3mil(mil)	±0.60	±0.60	±0.60
SolderMask Registration um(mil)		±25	±25	±25
Solder masThickness	Lines Minum(mil)	10(0.40)	10(0.40)	10(0.40)
	Lines Minum(mil)	30(1.20)	30(1.20)	30(1.20)
	CopperMinum(mil)	10(0.40)	10(0.40)	10(0.40)
	CopperMax um(mil)	30(1.20)	30(1.20)	30(1.20)
Mln.Solder Mask opening um(mil)		250(10)	200(8)	200(8)
Structure	Stacking layer by layer	5+N+5	6+N+6	7+N+7
	Sequenetlal Bu il-up	42Any Layer	46Any Layer	60Any Layer
	Stacking layer by layer	N+N	N+N	N+N
		N+X+N	N+X+N	N+X+N
	Sequenetlal Lamination	4+(N+X+N)+4	5+(N+X+N)+5	6+(N+X+N)+6
Multi-layer stepped structure	Multi- layer stacking	5+N+5	6+N+6	7+N+7
	Sequenetlal Bu il-up	12Any Layer	16Any Layer	18Any Layer
	Multi- layer staircase	4 steps	6 steps	6 steps
Mechanical depth control drilling depth		2.0mm±0.08mm	2.0mm±0.08m	2.0mm±0.08m
Laser controlled depth drilling		0.6mm±0.08mm	0.8mm±0.08mm	1.0mm±0.08mm
/Min.HOle/Land um(mil)	linner um(mil)	150/300(6/12)	100/200(4/8)	100/200(4/8)
	Outer um(mil)	150/300(6/12)	100/200(4/8)	100/200(4/8)
Minimumburiedholediameter/solder pad		60/170(2.4/6.8)	50/150(2/6)	50/150(2/6)
SUBDielectricThic      kness	Mln.um(mil)	38(1.5)	32(1.3)	25(1.0)
	Max.um(mil)	125(5)	125(5)	125(5)
SKipvia		Yes	Yes	Yes
Via on hole(LaserViaon BuriePTH		Yes	Yes	Yes
Laser Hole Filling		Yes	Yes	Yes
Resin plug hole plate thickness	Min mm(mil)	0.35	0.35	0.35
	Max mm(mil)	3.2	3.2	3.2
Min mm(mil)		125(5)	110(4.50)	110(4.50)
Routing Depth control Accuracy um(mil)		±50um(mil)	±50um(mil)	±50um(mil)
Outine NC Rcuting Tolerance um(mil)		75(3)	75(3)	75(3)
Type of surface Finishing		OSP、  Sinking gold, lead-free tin, lead tin, electroplated gold fingers, electroplated gold (electroplated nickel hard gold, electroplated nickel soft gold), gold fingers+sinking gold, spray tin+gold fingers, OSP+electroplated gold, OSP+sinking gold, electroplated silver, electroplated silver, electroplated tin, gold coated silver, nickel free electroplated thick gold, nickel free electroplated thick silver, tin silver copper, OSP+gold fingers
EN Thickness Control(um)		>0.025-0.1um	>0.025-0.1um	>0.025-0.1um
OSOSP Thickness(um)		>0.20-0.50um	>0.20-0.50um	>0.20-0.50um
Ni Thickness(um)		>105⇢ 250um	>105⇢ 250um	>105⇢ 250um
Platinum thickness control		>0.025-5um	>0.025-5um	>0.025-5um
Lead/lead- free tin spraying thickness		>105⇢ 150um	>105⇢ 150um	>105⇢ 150um
Electrosilver		>105⇢ 140um	>105⇢ 140um	>105⇢ 140um
Thickness control of sinking silver		>105⇢ 140um	>105⇢ 140um	>105⇢ 140um
Tin thickness control		>105⇢ 140um	>105⇢ 140um	>105⇢ 140um
Min TestPAD	E/Tum(mil)	75(3)	75(3)	75(3)
	E/Tum(mil)	50(2)	50(2)	50(2)
	E/Tum(mil	25(1)	25(1)	25(1)
	E/Tum(mil)	150（6）	150（6）	150（6）
lmpedanceContro lTolerance	≧50ohm	± 10%	±8%	±8%
	≦50ohm	±50ohm	±50ohm	±50ohm
Finished board	Plate thickness≧0.15mm	≧ ± 10%	≧ ± 10%	≧ ± 10%
	Plate thickness≧0.15mm	≧ ±0.075%	≧ ±0.075%	≧ ±0.075%
Warpage		≤0.7%	≤0.5%	≤0.5%
The above are the conventional production skills of Chaosheng Group Company, and there are any unclear points. Please further communicate with our specialized technical personnel, and we will be happy to serve you! Welcome to our guide!