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| process_reflowoven [2022/03/01 12:11] – created benh | process_reflowoven [2022/04/10 13:44] – benh |
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| ===What is a reflow oven?=== | ===What is a reflow oven?=== |
| A reflow oven is a specially-designed temperature-controlled box with air circulation that is used for melting solder paste. In layman's terms, it's a precision oven that you don't put food into. The heating and cooling follow a relatively precise profile to melt the solder without causing too much thermal stress to the substrate and the components. The solder used here is actually //solder paste//, rather than standard solder wire, which is solder that's suspended in a flux paste. You apply this to the pads (typically using a [[process_stencil|stencil]]), place your components onto the board, and then put the board into the oven, which melts the solder paste and electrically adheres the components to the board. | A reflow oven is a specially-designed temperature-controlled box with air circulation that is used for melting solder paste. In layman's terms, it's a precision oven that you don't put food into. The heating and cooling follow a relatively precise profile to melt the solder without causing too much thermal stress to the substrate and the components. The solder used here is actually //solder paste//, rather than standard solder wire, which is solder that's suspended in a flux paste. You apply this to the pads (typically using a [[process_stencils|stencil]]), place your components onto the board, and then put the board into the oven, which melts the solder paste and electrically adheres the components to the board. |
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