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Ordering ten 3.5" x 4.5" boards using the
2 Day Production Service
costs only $308. |
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Increasing the quantity
to 50 costs $606. |
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Ordering ten 3.5" x 4.5" boards using the
10 Day Production Service costs only $281. |
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A quantity of 100 qualifies for a 15% discount, for a total of $602. |
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Manufacturing Specs |
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> ExpressPCB offers a choice of several manufacturing options, including two-layer and four-layer circuit boards. The specifications for each of these choices are listed below. |
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| Production Service |
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| > The Production Service is designed for 2-layer PCBs that include the silkscreen and solder mask layers. These additional layers give the boards a very professional appearance. This is also our best value when ordering large quantities of boards. |
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| Description |
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| > Production Service boards have top and bottom copper layers with all holes plated through. They also include top and bottom soldermask layers, giving the boards a green color. On the top surface is a white silkscreen layer showing the component outlines. The solder mask layers make the boards a little easier to solder and give a very professional appearance. Select a 1 day, 2 day or two-week manufacturing time. |
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| 2 Day Pricing |
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The cost of your order depends mainly on the size and quantity of the boards. Our pricing formula is: $233 + ($0.41 * NumberOfBoards * BoardAreaInSquareInches) + ($1.00 * NumberOfBoards) + Shipping. |
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Boards with more than 25 holes per square inch require an extra fee of $0.01 for each additional hole. |
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For pricing purposes, the minimum board area is 4 square inches. |
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The typical cost for shipping 2 boards within the U.S. by Second Day Air is $9.85. |
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Orders submitted Monday through Friday by 2:00pm ET are shipped in 2 business days. |
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7.75% state sales tax is added to orders shipped to California. |
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Paying for your boards is easy by Mastercard, Visa or American Express. |
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| 1 Day Expedite Service |
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> For faster delivery, select our Production 1 Day Expedite option. Orders submitted Monday through Friday by 2:00pm ET are shipped the next business day. Orders received after our 2:00pm cutoff are shipped the following day. Use the Compute Board Cost command within the ExpressPCB layout program to determine the exact cost.
Note: The expedite option is not available with a lead-free finish. |
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| 10 Day Pricing |
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Our pricing formula for the 10 day option is: $233 +
($0.27 * NumberOfBoards * BoardAreaInSquareInches) +
($0.50 * NumberOfBoards) - QuantityDiscount + Shipping. |
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Single orders of 50 or more boards qualify for quantity discounts: |
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Quantity of
Boards |
Percentage
Discount |
| 2 - 49 |
0% |
| 50 - 99 |
11% |
| 100 - 249 |
15% |
| 250 - 499 |
19% |
| 500 - 999 |
22% |
| 1000 - 1999 |
24% |
| 2000 up |
25% |
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For pricing purposes, the minimum board area is 4 square inches. |
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Boards with more than 25 holes per square inch require an extra fee of $0.005 for each additional hole. |
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Orders submitted Monday through Friday by 2:00pm ET are shipped in 10 business days. |
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7.75% state sales tax is added to orders shipped to California. |
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Payment by Mastercard, Visa or American Express. |
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| Manufacturing Specs |
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Boards are manufactured double-sided with all holes plated-through. |
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Single-sided boards are manufactured with plated-through holes. |
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Our laminate is 0.062" FR-4 epoxy glass with 1/2 ounce copper. |
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We plate an additional 3/4 ounce of copper (totaling
1 1/4 ounce), resulting in a copper thickness of ~0.0017".
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The top and bottom solder mask layers are green LPI. |
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Pads on the solder mask layers are grown by 0.004" on all sides. As a result, very fine pitch surface mount components may not include any solder mask between the pins.
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A white silkscreen is printed on the top side of the board showing component outlines and text. These features are automatically masked to prevent the white printing from overlapping on top of pads (or anywhere there is no solder mask).
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| The board finish is the industry standard SMOBC. Pads are plated with a choice of a tin/lead solder, or a RoHS compliant lead-free finish. |
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The maximum board size we manufacture is 12 x 14 inches. |
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The minimum board dimension in height or width is 0.35 inches, however the total board area must be greater than 0.4 square-inches. (i.e. smallest square board we can make is 0.64 x 0.64 inches) |
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Etching resolution is: 0.006" minimum trace width, 0.006" minimum space width. |
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Board perimeters are cut to shape using a 0.093" router bit. Slots in the perimeter must be 0.100" or wider. Narrower slots will not be milled correctly. Routing slots or holes in the interior of the board are not offered.
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The edges of the board are cut with an accuracy of +/- 0.015". A minimum of 0.020" blank space is recommended between the perimeter and all features on the board. Traces placed closer than 0.015" to the board's edge may be routed off. |
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Multiple circuits can be pasted together on a single board, but we do not cut them apart. The perimeter of a board cannot include long slots as they can cause manufacturing problems. We regret that we cannot be responsible for any defects that are a result of routing multiple circuits on a single board. |
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Twenty-three hole sizes are available: 0.014", 0.020", 0.025", 0.029", 0.033", 0.035", 0.040", 0.043", 0.046", 0.052", 0.061", 0.067", 0.079", 0.088", 0.093", 0.100", 0.110", 0.125", 0.141", 0.150", 0.167", 0.192", 0.251". These sizes are the finished hole diameters after plating. The 0.014" hole may be filled with solder and can only be used as via. The tolerance for the 0.020" hole is +0.003 / -0.005. The tolerance for the other hole sizes are +/- 0.004". Hole sizes other than those list are not offered. |
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A minimum of 0.021" space must remain between adjacent holes. For example, the center-to-center distance between two pads with 0.020" holes must be 0.041" or greater. |
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Text placed on a board can be written in either copper layer or placed in ink on the top silkscreen layer. Component outlines will be printed on the silkscreen layer. |
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The dielectric constant of our FR-4 laminate ranges from 4.2 to 5.0. |
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The maximum operating temperature is 125 degrees C. |
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Pricing and manufacturing specifications are subject to change without
notice. Please check these pages for current information. |
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