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Classification
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project
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production capacity
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Inspection standards
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Acceptance Criteria
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Civilian products, Class 2 products
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IPC-A-600 IPC-6013 GJB7548
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Military products, grade 3 products
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experiment method
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IPC-TM-650 GB/T4677-2002
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file processing
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Handle file formats
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Tango/Pads2002
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Protel series
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Powerpcb/Genesis
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dxf/dwg
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Gerber file format
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Photopainting file (Gerber file) and corresponding drilling file
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Flexible substrate (adhesive-free, rolled copper)
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Xinyang, Shengyi
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PI thickness 1/2/3/4mil, copper thickness 1/2, 1Oz
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Panasonic RF775/RF777
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PI thickness 1/2/3/4mil, copper thickness 1/2, 1Oz
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Dupont AP
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PI thickness 1/2/3/4mil, copper thickness 1/2, 1Oz
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CVL
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Epoxy adhesive system (pine poplar)
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PI thickness 0.5, 1mil, glue thickness 1mil
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Acrylic adhesive system (DuPont)
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PI thickness 1mil, glue thickness 1mil
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Prepreg
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Shengyi SP168GL
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1067, 1078
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Tenghui VT447
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1067, 1078
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Outer copper foil
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18, 35, 70um
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PI reinforcement
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Acrylic glue
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PI thickness 4/8mil, glue thickness 1mil
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Pure rubber
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Epoxy glue system/acrylic glue system
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40um thick
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Shielding film
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SF-PC6000
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Dimensions
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layer
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1-8 floors
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Finished board size (maximum)
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Single side (not press CVL)
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The shortest side is up to 480mm, and the long side is not limited
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Single side (need to press CVL)
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The shortest side is up to 230mm, and the long side is not limited
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Double-sided (need to press CVL)
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470*580mm
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Multi-layer soft board (3-8 layers)
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Short side size 220mm, long side unlimited
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Thickness of single-sided soft board (without PI reinforcement)
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No pressure CVL
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0.04-0.08mm (sheet size 25-50um, copper thickness 18/35um)
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Laminated CVL
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Conventional 0.08-0.13mm (substrate sheet specification 25/50um, copper thickness 18/35um, CVL specification 12.5/25-25/25)
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Maximum thickness 0.18mm (substrate specification 75/100um)
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Double-sided flexible board thickness (without PI reinforcement)
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Laminated CVL
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Conventional 0.115-0.21mm (substrate sheet specification 25/50um, copper thickness 18/35um, CVL specification 12.5/25-25/25)
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Maximum thickness 0.27mm (substrate specification 75/100um)
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Multilayer board thickness
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0.3-4.0mm
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Plate Thickness Tolerance
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≤0.5mm
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±0.05mm
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0.5-1.0mm
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±0.1mm
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1.0-4.0mm
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±10%
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inner graphics
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Minimum Line Width/Space
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Base copper 18um
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3.5/3.5mil
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Base copper 35um
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5/4mil
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Base copper 70um (hard board)
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8/5mil
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Inner minimum pad
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0.125mm (18/35um base copper), 0.15mm (70um base copper)
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electrical ground isolation
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0.25mm
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Drilling aperture range
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0.2-6.3mm (interval 0.05mm)
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drilling
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Minimum distance from drill hole to conductor
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≤6 layers
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8mil
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≤16 layers
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10mil
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electrical ground isolation
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same network
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6mil
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different network
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12mil
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Minimum NPTH hole
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0.5mm
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Aperture Tolerance
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±0.05mm
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Immersion Copper Plating
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Hole Plating Aspect Ratio
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10:1
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Aperture
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Minimum 0.2mm
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outer graphics
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Minimum Line Width/Space
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H/H+plating
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4/3.5mil
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1/1+plating
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5/3.5mil
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2/2+plating
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9/5mil
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Distance from conductive pattern to outer edge
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Minimum 8mil
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Grid Line Width/Spacing
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H/H+plating
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6/6mil
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1/1+plating
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6/6mil
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2/2+plating
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10/8mil
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Solder mask
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Solder mask bridge width (minimum)
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green oil
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4mil
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Other variegated ink
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5mil
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Solder mask color
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Green, blue, yellow, red, white, black
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Minimum window size on one side of solder mask
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2.5mil
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Minimum unilateral width of solder mask line
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2.5mil (partial 2mil)
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characters
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character color
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white, yellow, black, gray
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Pad to character minimum pitch
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6mil
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Character Line Width/Character Height
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Base copper 18um
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Character width/character height: 4mil/27mil
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Base copper 35um
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Character width/character height: 5mil/30mil
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Base copper 70um
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Character width/character height: 6mil/45mil
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surface treatment
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lead HASL
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Tin thickness 2-40um
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Electroplated gold fingers
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Nickel thickness is 3-5um, gold thickness is 0.125-0.254um, the maximum finger length is 2inch, and the minimum finger spacing is 7mil
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OSP
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Film thickness 0.15-0.3um
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Lead-free HASL
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Tin thickness 2-40um
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Shen tin
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Tin thickness 0.8-1.2um
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sinking silver
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Silver thickness 0.1-0.3um
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sinking gold
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Nickel thickness: 3-5um, gold thickness: 0.03-0.1um
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molding
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Milling Profile Tolerance (Edge to Edge)
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±0.15mms
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Minimal arc of milling shape (inner angle)
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0.4mm
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Milling slot minimum tolerance
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±0.15mm
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VCUT
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VCUT angle
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20°, 30°, 45°, 60°
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VCUT angle tolerance
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±5°s
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VCUT excess thickness tolerance
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±0.1mm
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Impedance
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control method
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single-ended/differential
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control tolerance
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≤50Ω
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±5Ω
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>50Ω
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±10%
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finished product
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plate song
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≤0.7%
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Packing
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vacuum paper
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