There are a variety of methods for soldering these.
Hot bar soldering flex circuits.
Fine pitch sm devices.
Hot bar reflow soldering is achieved when two pre fluxed solder or adhesive coated parts are heated causing the solder to melt flow and then.
Manncorp now has the solution to these tough soldering challenges.
Hot bar reflow soldering bonding fundamentals technical articles and whitepapers blogs videos training information and more.
Uniflow 4 provides targeted heating and precision temperature control for hot bar soldering applications such as the connection of flexible circuits ribbon cables wires smt components single or dual sided edge connectors and thermocompression bonding of gold ribbon.
Ribbon cable to pcb.
1 a standard soldering iron 2 hot plate 3 standard solder 4 solder paste no clean use either eutectic sn63pb37 e g.
Typical examples of applications are connecting flex foils to printed circuit boards small wires small coax cables and very light or small components.
The connection of the layers are favorably produced with flexible circuit carriers and or foil connectors these connections are prepared mostly by hot b ar reflow soldering.
Flex circuit to pcb.
Design tips for successful hot bar reflow soldering.
This allows the thermode hot bar to contact the traces directly conducting heat to the parts and creating the bond.
Hot bar soldering is extremely effective in bonding components and parts that are dissimilar and difficult to unite.
Edge connectors to pcb.
Accurate positioning of the parts.
Typical hot bar reflow soldering applications include flex circuits ribbon cables wires flex to pcb flex to lcd and thermocompression bonding of gold ribbon as found in the telecommunications computer automotive display industries and more.
Mobile electronics such as telecommunications equipment as well as the electronics in motor vehicles require increasing packing density and thus arrangement of the circuits in multiple layers.
Fast temperature ramp up and cool down.
3 layouts for hot bar reflow soldering.
1 lead free compatible hot bar process of flex to pcb can replace more costly flex printed circuits and save the cost of pcb connectors.
Process also conserves vertical height of assemblies.
The three most common flex circuit termination designs for successful pulse heated reflow soldering are exposed lead single sided and open windowed choose the one that best suits your design and manufacturing needs.
Of soldering the sensor to the flex circuit.
The required process energy is supplied by a thermode also know as a hot bar.
Tab to pcb hsc to lcd or tab.
The joining technology results in a permanent electro mechanical joint.
Hot bar soldering systems.
The primary tools include.
Applications of hot bar reflow soldering.
Pulsed heat thermode hot bar soldering is a joining technology where two pre tinned parts are heated to the melting point of the tin.
The benefits of hot bar reflow soldering.
Exposed lead both sides of the polyimide material are removed leaving the traces free of insulation.
Hot bar reflow soldering systems.
