Copper Clad Boards - Photoresist
In the manufacturing of printed circuit boards (PCBs), a laminate made of insulating material is used, typically FR2 (phenolic paper) or FR4 (glass fiber epoxy), coated with a thin layer of copper – usually 35 µm thick. The laminate itself is approximately 1.5 mm thick. In certain applications, such as power electronics, thicker copper is used to handle higher currents.
To create the circuit pattern, the copper surface is coated with a light-sensitive layer called photoresist, which reacts to UV light in the wavelength range of 360–400 nm (UV-A). Both positive and negative photoresist types exist, but positive resist is most commonly used in PCB manufacturing.
A positive film containing the circuit pattern is placed on top of the board and exposed to UV light. Where the light hits, the photoresist becomes soluble and is washed away in the developer. The remaining resist protects the copper during etching, so that only the unwanted copper is removed. The result is a pattern of conductive traces on the insulating surface.
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Developer for photoresist

PCB w. photo resist fibreglass 100x160mm 0.12mm 35u single
Scankemi
Art.no41011721
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 49 SEK |
5 -till 9 pcs | 44.10 SEK |
10 -till pcs | 36.75 SEK |

PCB w. photo resist fibreglass 100x160mm 0.25mm 35u double
Scankemi
Art.no41012759
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 54 SEK |
5 -till 9 pcs | 48.60 SEK |
10 -till pcs | 40.50 SEK |

PCB w. photo resist fibreglass 100x160mm 0.25mm 35u single
Scankemi
Art.no41011722
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 48 SEK |
5 -till 9 pcs | 43.20 SEK |
10 -till pcs | 36 SEK |

PCB w. photo resist fibreglass 100x160mm 1.0mm 35u double
Scankemi
Art.no41004125
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 49 SEK |
5 -till 9 pcs | 44.10 SEK |
10 -till pcs | 36.75 SEK |

PCB w. photo resist fibreglass 100x160mm 1.0mm 35u single
Scankemi
Art.no41004122
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 44 SEK |
5 -till 9 pcs | 39.60 SEK |
10 -till pcs | 33 SEK |

PCB w. photo resist fibreglass 100x160mm 1.5mm 105u double
Scankemi
Art.no41004143
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 87 SEK |
5 -till 9 pcs | 78.30 SEK |
10 -till pcs | 65.25 SEK |

PCB w. photo resist fibreglass 100x160mm 1.5mm 105u single
Scankemi
Art.no41004141
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 82 SEK |
5 -till 9 pcs | 73.80 SEK |
10 -till pcs | 61.50 SEK |

PCB w. photo resist fibreglass 100x160mm 1.5mm 35u double
Scankemi
Art.no41004136
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 49 SEK |
5 -till 9 pcs | 44.10 SEK |
10 -till pcs | 36.75 SEK |

PCB w. photo resist fibreglass 100x160mm 1.5mm 35u single
Scankemi
Art.no41004131
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 46 SEK |
5 -till 9 pcs | 41.40 SEK |
10 -till pcs | 34.50 SEK |

PCB w. photo resist fibreglass 100x160mm 1.5mm 70u single
Scankemi
Art.no41004128
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 64 SEK |
5 -till 9 pcs | 57.60 SEK |
10 -till pcs | 48 SEK |

PCB w. photo resist fibreglass 100x220mm 1.5mm 35u single
Scankemi
Art.no41004134
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 65 SEK |
5 -till 9 pcs | 58.50 SEK |
10 -till pcs | 48.75 SEK |

PCB w. photo resist fibreglass 160x233mm 1.5mm 105u double
Scankemi
Art.no41004144
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 199 SEK |
5 -till 9 pcs | 179.10 SEK |
10 -till pcs | 149.25 SEK |

PCB w. photo resist fibreglass 160x233mm 1.5mm 105u single
Scankemi
Art.no41004142
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 179 SEK |
5 -till 9 pcs | 161.10 SEK |
10 -till pcs | 134.25 SEK |

PCB w. photo resist fibreglass 160x233mm 1.5mm 35u double
Scankemi
Art.no41004137
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 124 SEK |
5 -till 9 pcs | 111.60 SEK |
10 -till pcs | 93 SEK |

PCB w. photo resist fibreglass 160x233mm 1.5mm 35u single
Scankemi
Art.no41004132
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 109 SEK |
5 -till 9 pcs | 98.10 SEK |
10 -till pcs | 81.75 SEK |

PCB w. photo resist fibreglass 160x233mm 1.5mm 70u single
Scankemi
Art.no41004129
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 132 SEK |
5 -till 9 pcs | 118.80 SEK |
10 -till pcs | 99 SEK |

PCB w. photo resist fibreglass 200x300mm 1.0mm 35u double
Scankemi
Art.no41004126
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 179 SEK |
5 -till 9 pcs | 161.10 SEK |
10 -till pcs | 143.20 SEK |

PCB w. photo resist fibreglass 200x300mm 1.0mm 35u single
Scankemi
Art.no41004123
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 162 SEK |
5 -till 9 pcs | 145.80 SEK |
10 -till pcs | 121.50 SEK |

PCB w. photo resist fibreglass 200x300mm 1.5mm 35u double
Scankemi
Art.no41004138
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 179 SEK |
5 -till 9 pcs | 161.10 SEK |
10 -till pcs | 143.20 SEK |

PCB w. photo resist fibreglass 200x300mm 1.5mm 35u single
Scankemi
Art.no41004133
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 159 SEK |
5 -till 9 pcs | 143.10 SEK |
10 -till pcs | 119.25 SEK |

PCB w. photo resist fibreglass 54x250mm 0.8mm 35u single
Scankemi
Art.no41004140
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 41 SEK |
5 -till 9 pcs | 36.90 SEK |
10 -till pcs | 30.75 SEK |

PCB w. photo resist fibreglass 75x100mm 1.0mm 35u double
Scankemi
Art.no41004124
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 26 SEK |
5 -till 9 pcs | 23.40 SEK |
10 -till pcs | 19.50 SEK |

PCB w. photo resist fibreglass 75x100mm 1.0mm 35u single
Scankemi
Art.no41004117
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 23 SEK |
5 -till 9 pcs | 20.70 SEK |
10 -till pcs | 17.25 SEK |

PCB w. photo resist fibreglass 75x100mm 1.5mm 35u double
Scankemi
Art.no41004135
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 27 SEK |
5 -till 9 pcs | 24.30 SEK |
10 -till pcs | 20.25 SEK |

PCB w. photo resist fibreglass 75x100mm 1.5mm 35u single
Scankemi
Art.no41004130
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 24 SEK |
5 -till 9 pcs | 21.60 SEK |
10 -till pcs | 18 SEK |

PCB w. photo resist fibreglasss 54x120mm 0.8mm 35u singel
Scankemi
Art.no41003979
Quantity | Price /pcs |
---|---|
1 -till4 pcs | 20 SEK |
5 -till 9 pcs | 18 SEK |
10 -till pcs | 15 SEK |

PCB w. photoresist fibreglass 100x160mm double
Velleman
Art.no41000467
Quantity | Price /pcs |
---|---|
1 -till9 pcs | 55 SEK |
10 -till pcs | 49.50 SEK |
In the manufacturing of printed circuit boards (PCBs), a laminate made of insulating material is used, typically FR2 (phenolic paper) or FR4 (glass fiber epoxy), coated with a thin layer of copper – usually 35 µm thick. The laminate itself is approximately 1.5 mm thick. In certain applications, such as power electronics, thicker copper is used to handle higher currents.
To create the circuit pattern, the copper surface is coated with a light-sensitive layer called photoresist, which reacts to UV light in the wavelength range of 360–400 nm (UV-A). Both positive and negative photoresist types exist, but positive resist is most commonly used in PCB manufacturing.
A positive film containing the circuit pattern is placed on top of the board and exposed to UV light. Where the light hits, the photoresist becomes soluble and is washed away in the developer. The remaining resist protects the copper during etching, so that only the unwanted copper is removed. The result is a pattern of conductive traces on the insulating surface.