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Topic Files Board check Quantity Board Assembly Project Message Details Contact details Review Step {n} of {total}: {name} completed Continue Send request Edit Edit: {name} Yes No Topic This field is required. Please choose one option. Please enter a valid email address, for example name@company.com. Add at least one file – for example your Gerber zip. Remove the files marked with an error, or replace them. Choose at least one quantity. Enter a whole number from 1 to 10 000 000. At most 10 quantities. Enter a size between 1 and 1000 mm. Choose a date in the future. Describe the functional test, or tick that the test specification is among your files. Please write a few more words. We need your permission to contact you about this request. Please check the highlighted fields. Please check this field. We are receiving a lot of requests right now. Please try again in a moment. We could not reach the server. Check your connection and try again – your answers are kept. The files are too large to send: at most 25 MB per file and 60 MB in total. Online requests are not available right now. Please email us at info@comteclabs.com or call +358 50 073 8528. Something went wrong. Please try again, or email us at info@comteclabs.com. Too large (max 25 MB) File type not accepted Empty file Already added Too many files (max 10) Total size over 60 MB Ready Sending {p} % Sent Remove {name} Archive Gerber Drill file BOM Pick-and-place Drawing or document 3D model Table Other found not added yet Reading your files… Preparing the 3D view… We could not read these files for the preview. No problem – you can still send them, and we check them ourselves. We did not find Gerber files to preview. That is fine – enter the board size below if you know it. Your browser cannot show 3D here, so this is a flat preview. Preview ready. Rotate the board and check that it looks right. {file}: the zip could not be opened for the preview. {file}: rar and 7z archives are not previewed – they are sent as they are. The measured size looks unusual – please check it. Some component positions fall outside the board – the origin of the pick-and-place file may differ. Board size Copper layers Drill holes Components BOM measured from the outline estimated from the copper layers from the job file {n} holes, {t} sizes, smallest Ø {d} mm {n} slots {n} placements: {top} top, {bottom} bottom Looks like: {list} {n} lines, {p} parts Layers and files found Not used in the preview (still sent with your request): BOM compared with pick-and-place Every designator matches ({n}). In the BOM but not in pick-and-place ({n}): In pick-and-place but not in the BOM ({n}): Often normal for parts that are not fitted (DNP) or are soldered by hand. Designators Qty Value Package Part number Manufacturer Showing the first {n} of {total} lines. Sort by {name} Top copper Bottom copper Inner copper Top solder mask Bottom solder mask Top silkscreen Bottom silkscreen Top paste Bottom paste Board outline Drill, plated Drill, non-plated Drawing Job file BOM Pick-and-place (duplicate, not used) 3D preview of your circuit board Files Board preview What we found Preparing… Sending files: {done} of {total} Almost done… Your pick-and-place file looks like a panel of {k} boards ({k} × {n} parts). We show one board below. Your Gerbers are a panel of {nx} × {ny} boards (panel {pw} × {ph} mm, board {bw} × {bh} mm). The sizes and the number of boards per panel can be changed below. Your files are a panel of {n} boards – choose whether the quantities count single boards or panels. Panel size panel: {v} {n} boards ({nx} × {ny}) Panel Must fix Check Info Must be fixed before production May increase cost or lead time Does not prevent manufacturing Your answer OK as designed Please fix it for me Note (optional) Show on board Shown on the board: {name} No problems found in the checks that could run. Not checked with these files: stencil checks (no paste layer) copper checks (no copper layer) drill checks (no drill file) placement checks (no pick-and-place file) BOM checks (no BOM) board size (no outline) tab placement and V-scoring of round boards (needs the panel plan) the checks could not be run on these files top bottom not placed qty ≠ designators no part number DNP Notes Findings marked Must fix without an answer: {n}. You can answer them in the board check, or send anyway. Rules check {e} must fix, {w} to check, {i} info Your answers Check report Board or panel too large The board or panel is {w} × {h} mm – larger than our line maximum of {maxw} × {maxh} mm. The board or panel does not fit the printer table / mounter conveyor and cannot be produced on this line. Smaller than the line minimum The board or panel is {w} × {h} mm – smaller than the line minimum of {minw} × {minh} mm, so it is run in a panel. Below the conveyor minimum the board cannot be transported reliably; boards jam or drop between rails. Tracks too narrow Tracks as narrow as {min} mm; the minimum is {rule} mm. Tracks below the minimum etch width can be etched away or open-circuit, causing broken nets and scrapped boards. Copper close to the edge Copper only {min} mm from the board edge; keep at least {rule} mm. Copper too close to the edge is torn during depaneling and can short or corrode at the exposed board edge. Mouse bites through copper Mouse-bite holes of the breakaway tabs run through copper. Mouse-bite perforations through copper tear the foil during depaneling, leaving burrs and exposed metal. Holes too small Holes as small as {min} mm; the smallest drill is {rule} mm. Holes below the minimum drill size break drill bits; the fab drills them oversize or skips them, risking open vias. Holes close to the edge Hole edges only {min} mm from the board edge; keep at least {rule} mm. Holes too close to the board edge can break out during routing, leaving damaged edges and exposed barrels. Narrow annular rings Copper rings around plated holes as narrow as {min} mm; at least {rule} mm is recommended. A narrow copper ring can break out when the hole is drilled slightly off-centre – the connection to the hole may be lost. Small stencil openings Stencil openings down to {min} mm; the minimum is {rule} mm with an area ratio of at least {ratio}. Small or low area-ratio stencil apertures release paste poorly, causing insufficient solder and open joints. Large paste openings Paste openings up to {max} mm; openings over {rule} mm should be split into a window pane. A single large paste aperture on a thermal pad deposits too much paste – the component floats or tilts in reflow and voids form under the pad. Paste layer missing Solder mask openings but no paste layer on: {sides}. Pads without paste apertures receive no solder in printing – those components will not be soldered. Open vias in pads Vias up to {rule} mm sit inside solder pads without plugging. Open vias inside paste apertures wick solder away from the joint, causing voids, weak fillets and tombstoning. Components close to the edge Components only {min} mm from the board edge; keep {rule}–5 mm clear. Components too close to the panel edge collide with the conveyor rails and clamps of the printer and mounter. Components near breakaway tabs Components within {rule} mm of a breakaway tab. Components near breakaway tabs take mechanical stress during depaneling – cracked MLCCs and broken solder joints. Thin board A {t} mm board is thin; it needs a panel with rails to stay flat. Thin boards flex during squeegee stroke and placement, causing paste smears and placement offsets. Too few fiducials Fiducials on the panel: {n}; the placement machine needs at least {rule}. Without enough fiducials the vision system cannot correct panel offset and rotation – every placement is skewed. Narrow panel rails The panel rails are {w} mm; the conveyor clamps need at least {rule} mm. Rails narrower than the clamp minimum cannot be gripped by the conveyor – the panel vibrates or drops. Narrow routing gap The routing gap between boards is {w} mm; at least {rule} mm is recommended. A routing channel narrower than the router bit cannot be cut; the panel outline will not match the data. Narrow breakaway tabs Breakaway tabs about {min} mm wide; at least {rule} mm is recommended. Narrow tabs break during handling and transport, releasing boards inside the machines. V-scoring would suit better Rectangular boards separate more cleanly with V-scoring at 0 mm spacing. Routed tabs cost more and leave rough edges on rectangular boards; v-scoring depanels cleaner and faster. Too few tooling holes Tooling holes on the panel: {n}; {rule} holes of {min}–{max} mm in the rails are recommended. Without tooling holes the printer jig cannot register the panel precisely - print offset between panels. Tooling hole size Tooling holes of {d} mm; {rmin}–{rmax} mm is recommended. Tooling pins need the specified hole diameter; wrong size holes seat loosely or not at all. Placements outside the board Placements outside the board outline: {n}. Placements outside the board cannot be assembled; usually the pick-and-place file has a different origin or belongs to another revision. BOM lines without part number BOM lines without a manufacturer part number: {n}. We have to identify these parts from the value and footprint – this may increase cost or lead time. Parts not fitted (DNP) BOM lines marked not to be fitted: {n}. Parts marked DNP are not fitted. Check that this is intended. In the BOM but not placed Designators in the BOM but not in the pick-and-place file ({n}): {refs} Without a position these parts cannot be placed by machine – they would be fitted by hand or left out. Placed but not in the BOM Placements not in the BOM ({n}): {refs} Positions without a BOM line have no part to place – usually fiducials or test points, otherwise a missing BOM line. Quantity differs from designators BOM lines whose quantity differs from the number of designators: {n}. We cannot tell which is right – the quantity or the designators – so we will ask before ordering parts. Quantity Per board Batch total Range per board Quote on request Solder paste stencil (one side), one-time cost: {amount} Solder paste stencils (both sides), one-time cost: {amount} Calculating … Choose a quantity to see an indicative price. Give the number of placements (or add a pick-and-place file) to see an indicative price. An instant price is not available right now – we will price it from your request. Panels converted to boards: {n} boards per panel. Components are quoted separately – your BOM has no prices. Assembly only; the components Comtec sources are quoted separately. Assembly only – you supply the components. Bare boards are quoted separately. The functional test fixture is quoted separately. Calculated for components on one side. Conformal coating is not included. The number of different parts is estimated; a BOM makes the price more accurate. Through-hole soldering is estimated; give the number of THT joints for a closer price. Very large quantities are quoted on request. Files added from the tool: {tool}. Check them and continue. The files from the tool were no longer available (they are kept for one hour). Please add them again. Gerber viewer and DFM check BOM checker Panelization preview online tool Indicative price We will get back to you usually the same working day, at most within 1 working day, at {email}.