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ABL Circuits PCB Manufacture Photo Plots

ABL Circuits PCB Manufacture Photo Plots

Once the panels are laminated, which is done in the yellow room because the film is UV sensitive, the photo plots which represent the component side and the track side, both have precision tooling holes punched in the field for locating on to the panel. These are positioned on a tooling pin and clamped down and the whole panel is put into the exposure unit which exposes the panel to…

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ABL Circuits PCB Manufacture Lamination

ABL Circuits PCB Manufacture Lamination

Once through the conveyorised shadow process the boards come out dry and perfectly clean and the copper is bright copper but has carbon down the holes and the next process is to pass it through the laminating machine which puts a blue photosensitive UV film onto either side of the panel.

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ABL Circuits PCB Manufacturing Shadow Process

ABL Circuits PCB Manufacturing Shadow Process

The next part in the process is to pass the drilled panels through a solution of carbon and water and is known as a shadow process, which is a conveyorised process so every panel is treated exactly the same, the same speed, the same temperature and the whole process puts carbon down the holes so that they can be plated onto at a later stage.

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ABL Circuits PCB Manufacture Panels Split

ABL Circuits PCB Manufacture Panels Split

Once the panels have been drilled on the CNC Drilling machine they are unpacked and the aluminium material is taken off the top and the panels are split then checked with the drill plots to make sure there are no missing holes in case there is a broken drill and although the machine detects the broken drill it is always best to check manually before the process continues, and the…

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ABL Circuits PCB Manufacture – Drilling The Holes

ABL Circuits PCB Manufacture - Drilling The Holes

The next process in PCB Manufacture – drilling the holes on the panels on the CNC Drilling machine on which we can drill right down to 0.3mm diameter which will give a finished hole of 0.2mm and we go up to 6.5mm diameter. The panels are loaded in either manually or they can be auto loaded and run unaided through the night. It auto loads and auto unloads, the machine…

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ABL Circuits PCB Manufacture – Preparation

ABL Circuits PCB Manufacture - Preparation

ABL Circuits PCB Manufacture – Preparation The standard material thickness is 1.6mm, although we do go down to 0.3-0.4mm when necessary and also up to a maximum of 3.2mm. When we are doing standard boards at 1.6mm they get stacked together in 3’s for the drilling process using tooling holes and a backing board for the drill to enter into and a layer of thin aluminium on the top surface…

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ABL Circuits PCB Manufacture – Raw Materials

ABL Circuits PCB Manufacture Raw Materials

ABL Circuits PCB Manufacture Raw Materials We mostly buy in the raw material to cut the panels to size for the PCB production process, this is cut to size depending on what’s required on a power guillotine, if there is a large batch of 50lbs or more, then we buy the panels in pre-cut.

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PCBs that help deliver results for discerning cyclists

PCBs for innovative bike cleaning equipment ABL Circuits

“ABL Circuits are very responsive and keen to deliver results. Very patient and always get their PCBs right. They always think on behalf of the customer which is key” Director, equipment manufacturer. Riding a bike can be a messy affair. Serious cyclists who want to keep their bicycles in good working order need to remove dust, grit and mud from their bike regularly. An innovative bike cleaner which uses low…

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ABL Circuits Celebrates its 35th Anniversary

This June is a special month as the team at ABL Circuits celebrates its 35th anniversary! The company was formed in 1983, the year the Vauxhall Nova was launched, the A-Team appeared on TV and Tom Cruise made Ray Ban Wayfarers fashionable. From a small start-up, ABL has grown to be a one stop shop PCB service. Managing board design, manufacturing and assembly, Mark Leverett and his own A-Team have…

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