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Our processes are ISO 9001:2015 Bureau Veritas Certification and UL (UnderWriters Laboratories) certified. The printed circuit boards produced by Circuibras strictly follow the customer's technical specifications. When not specified, they are guided by IPC-A-600K (Acceptability of Printed Boards). All boards delivered to customers are electrically tested.

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Technical features: Doubts about a technical term? Consult the CIRCUIBRAS dictionary of technical terms

Rigid PCB
TECHNICAL SPECIFICATIONS2024202520262027
STANDARDADVANCEDSTANDARDADVANCEDSTANDARDADVANCEDSTANDARDADVANCED
PRODUCTION CAPACITY5,500 square meters per month6,050 m²/month6,050 m²/month8,250 m²/month
MAX LAYERS16 layers> 16 layers20 layers> 20 layers22 layers> 22 layers24 layersUpon request
HDI
(LAMINATED DESIGN)
2+N+2Upon request3+N+3Upon request3+N+3Upon request3+N+3Upon request
RAW MATERIALFR4 - Lead Free Compatible
FR4 - Halogen Free
Other materials
upon request
FR4 - Lead Free Compatible
FR4 - Halogen Free
Other materials
upon request
FR4 - Lead Free Compatible
FR4 - Halogen Free
Other materials
upon request
FR4 - Lead Free Compatible
FR4 - Halogen Free
Other materials
upon request
PRODUCT TYPES -HDI
-Impedancecontrol
-BGA& Fine Pitch Board
-HF(High Frequency)
-RF(Radio Frequency)
-HDI
-Impedancecontrol
-BGA& Fine Pitch Board
-HF(High Frequency)
-RF(Radio Frequency)
-Semiflex
-HDI
-Impedancecontrol
-BGA& Fine Pitch Board
-HF(High Frequency)
-RF(Radio Frequency)
-Semiflex
-Rigid-flex
-HDI
-Impedancecontrol
-BGA& Fine Pitch Board
-HF(High Frequency)
-RF(Radio Frequency)
-Semiflex
-Rigid-flex
MINIMUM SOLDER MASK THICKNESSPeelable (Solder Out)
6µm layer or according to IPC SM 840
Available colors: Green, Blue, Black, Red, White, other colors upon request
INK LEGEND COMPONENTSMinimum trace width: 100µm (0.004")
Minimum character height: 700µm (0.028")
Available colors: White, Black, Yellow, Red, other colors upon request
SURFACE FINISHINGHASL Sn/PbHASL Sn/Pb--
-HASL Lead FreeHASL Lead FreeHASL Lead Free
ENIG - Electroless Nickel Immersion GoldENIG - Electroless Nickel Immersion GoldENIG - Electroless Nickel Immersion GoldENIG - Electroless Nickel Immersion Gold
OSP - Organic Solderability PreservativeOSP - Organic Solderability PreservativeOSP - Organic Solderability PreservativeOSP - Organic Solderability Preservative
COMPLEMENTSPeelable (Solder Out)
Carbon paste contacts
Hard Gold: According to IPC 6012 or customer spec
ELECTRICAL TESTAccording to IPC 9252 Class 2 (100% of boards tested) - Voltage: 250V, Continuity ≤50 Ω and Isolation ≥ 2MΩ
MINIMUM PCB THICKNESS0.60mm (0.024')< 0.60mm (0.024')0.40mm (0.016')< 0.40mm (0.016')0.40mm (0.016')< 0.40mm (0.016')0.40mm (0.016')< 0.40mm (0.016')
MAXIMUM PCB THICKNESS3.20mm (0.125')> 3.20mm (0.125')5.00mm (0.197')> 5.00mm (0.197')5.00mm (0.197')> 5.00mm (0.197')5.00mm (0.197')> 5.00mm (0.197')
MINIMUM BGA0.35mm (0.014')0.30mm (0.012')0.30mm (0.012')Upon request0.30mm (0.012')Upon request0.30mm (0.012')Upon request
TECHNICAL SPECIFICATIONSCOPPER LAYERTRACK/GAPTRACK/GAPTRACK/GAPTRACK/GAPTRACK/GAPTRACK/GAPTRACK/GAPTRACK/GAP
MIN EXTERNAL LAYERS TRACK/GAP1/2oz (17.5μm)100μm (0.004')75μm (0.003')75μm (0.003')50μm (0.002')75μm (0.003')50μm (0.002')75μm (0.003')50μm (0.002')
1oz (35μm)125μm (0.005')100μm (0.004')100μm (0.004')75μm (0.003')100μm (0.004')75μm (0.003')100μm (0.004')75μm (0.003')
2oz (70μm)175μm (0.007')150μm (0.006')150μm (0.006')125μm (0.005')150μm (0.006')125μm (0.005')150μm (0.006')125μm (0.005')
3oz (105μm)225μm (0.009')Upon request225μm (0.009')Upon request225μm (0.009')Upon request225μm (0.009')Upon request
MIN INNER LAYERS TRACK/GAP1/2oz (17.5μm)75μm (0.003')50μm (0.002')50μm (0.002')Upon request50μm (0.002')Upon request50μm (0.002')Upon request
1oz (35μm)100μm (0.004')75μm (0.003')75μm (0.003')Upon request75μm (0.003')Upon request75μm (0.003')Upon request
2oz (70μm)150μm (0.006')125μm (0.005')125μm (0.005')Upon request125μm (0.005')Upon request125μm (0.005')Upon request
3oz (105μm)188μm (0.0075')163μm (0.0065')163μm (0.0065')Upon request163μm (0.0065')Upon request163μm (0.0065')Upon request
PTH Copper Thickness20μm (0.0008") - IPC Class 2
≥ 25μm (0.0010") - IPC Class 3
Minimum Annular Ring100μm (0.004") with teardrop75μm (0.003") with teardrop100μm (0.004") with teardrop75μm (0.003") with teardrop100μm (0.004") with teardrop75μm (0.003") with teardrop75μm (0.003") with teardrop50 μm (0.002") with teardrop
Minimum Hole Diameter150μm (0.006")< 150μm (0.006")150μm (0.006")100μm (0.004")150μm (0.006")100μm (0.004")75 μm (0.003 in)50 μm (0.004")
Drilling Tolerance+/- 100μm (0.004")+/- 75μm (0.003")+/- 100μm (0.004")+/- 50μm (0.002")+/- 100μm (0.004")+/- 50μm (0.002")+/- 75μm (0.003")+/- 50μm (0.002")
Dimensional Tolerance+/- 200μm to 130μm (0.008" to 0.005")< +/- 130μm (0.005")+/- 200μm to 130μm (0.008" to 0.005")+/- 100μm (0.004")+/- 200μm to 130μm (0.008" to 0.005")+/- 100μm (0.004")± 130 μm to 100 μm (0.005" to 0.004")+/- 75μm (0.003")
Controlled impedance+/- 10%Upon request+/- 10%Upon request+/- 10%Upon request+/- 10%Upon request
Minimum dielectric thickness100μm (0.004")Upon request76μm (0.003")Upon request76μm (0.003")Upon request6oz (210μm)Upon request
External copper thickness1/3oz - 3oz (12μm - 105μm)4oz (140μm)1/3oz - 3oz (12μm - 105μm)5oz (175μm)1/3oz - 3oz (12μm - 105μm)6oz (210μm)1/3oz - 3oz (12μm - 105μm)Upon request
Internal copper thickness1/2oz - 1oz (17.5μm - 35μm)>2oz (70μm)1/2oz - 3oz (17.5μm - 35μm)>3oz (105μm)1/2oz - 3oz (17.5μm - 35μm)>3oz (105μm)1/2oz - 3oz (17.5μm - 35μm)>3oz (105μm)