Method and device for coupling PCB sheet

A method for coupling a PCB sheet, comprising the steps of:

• cutting away a defective PCB sheet of a defective circuit pattern to remove it from a continuously arranged circuit patterns of a first PCB sheet (defective circuit pattern removing step);
• filling a vacant place of said removed defective PCB sheet with a second PCB sheet of a good quality circuit pattern by utilizing a position locating means (PCB sheet position locating step);
• placing said first and second PCB sheets on a PCB securing plate by using a PCB securing means to prevent any loose movements of them, and filling an adhesive (with a volatile component being removed) into a space between said first and second PCB sheets to cure said adhesive at a temperature of 120-200° C. within a drying furnace (adhesive injecting and curing step);
• and
• removing said position locating means to separate said PCB securing plate from said PCB sheet after a curing of said adhesive (PCB securing plate separating step).

A device for coupling a PCB sheet, comprising:

• a blanked space forming part 112 for forming a blanked space S by cutting away a defective circuit pattern part 102′ if any one of circuit pattern parts 102 of a first PCB sheet 104 is found be a defective circuit pattern part 102′, and placing into said blanked space S a second PCB sheet 104′ on which a good quality circuit pattern part 102 is printed, and inserting PCB securing pins 106 of a PCB securing plate 101 into pin receiving holes 107 so as to position-locate said first and second PCB sheets 104 and 104′;
• a PCB securing means 111 attached on said PCB securing plate 101, for preventing any loose movements of said first and second PCB sheets 104 and 104′;
• a space 113 formed between said first and second PCB sheets 104 and 104′, for receiving an adhesive means 140 into between said first and second PCB sheets 104 and 104′ (which are secured on said PCB securing plate 101);
• and
• said adhesive means 140 being filled into said space 113 between said first and second PCB sheets 104 and 104′ to be cured so as to couple said first and second PCB sheets 104 and 104′ together.

A method for coupling a PCB sheet, comprising the steps of:

• cutting away a defective PCB sheet of a defective circuit pattern to remove it along a separating groove from a continuously arranged circuit patterns of a first PCB sheet so as to form a blanked space (defective circuit pattern removing step);
• filling said blanked space of said removed defective PCB sheet with a second PCB sheet of a good quality circuit pattern by utilizing a position locating means so as to position-locate said first and second PCB sheets on a PCB securing plate (PCB sheet position locating step);
• placing said first and second PCB sheets on said PCB securing plate by using a PCB securing means to prevent any loose movements of them, that is, by using PCB securing tapes (PCB sheet securing step);
• filling an adhesive (with a volatile component being removed) into a space between said first and second PCB sheets to cure said adhesive at a temperature of 120-200° C. within a drying furnace (adhesive injecting and curing step);
• and
• putting a cover on said first and second PCB sheets to protect them from an ambient heat, and removing said position locating means and said PCB securing tapes to separate said PCB securing plate from said PCB sheet after a curing of said adhesive (PCB securing plate separating step).

A device for coupling a PCB sheet, comprising:

• a PCB position locating means 212 for position-locating a PCB 202 and a replaced good quality PCB 221 of a PCB sheet 204 by inserting PCB securing pins 206 of a PCB securing plate 201 into pin receiving holes 207 of said PCB 202 and a replaced good quality PCB 221 after a defective circuit pattern has been removed by being cut along a separating groove K to form a blanked space 222, and after said good quality PCB 221 integrally with connecting parts 220′ has been replaced into said blanked space 222;
• a PCB securing means 211 attached on said PCB securing plate 201, for preventing any loose movements of said PCB sheet 204 and said PCB 221 of said good quality circuit pattern;
• a space 213 formed between said PCB sheet 204 and said replaced good quality PCB 221, for forming a channel 209;
• and
• an adhesive means 214 filled into said channel 209 of said space 213 between said PCB sheet 204 and said replaced good quality PCB 221 to be cured so as to couple them together.

A method for coupling a PCB sheet, comprising the steps of:

• cutting away a defective PCB sheet of a defective circuit pattern to remove it along a separating groove from a continuously arranged circuit patterns of a PCB sheet so as to form a blanked space (blanked space forming step);
• filling said blanked space of said removed defective PCB sheet with a good quality circuit pattern integrally with connecting parts by utilizing a position locating means so as to position-locate said PCB sheet and said good quality pattern sheet on a PCB securing plate (PCB sheet position locating step);
• fixing said PCB sheet and said good quality circuit pattern sheet on said PCB securing plate by using a PCB securing means to prevent any loose movements of them, that is, by using PCB securing tapes, and filling an adhesive (with a volatile component being removed) of an epoxy resin into a space between said PCB sheet and said good quality circuit pattern sheet to cure said adhesive at a temperature of 120-200° C. within a drying furnace (adhesive injecting and curing step);
• and
• putting a cover on said PCB sheet and said good quality circuit pattern sheet to protect them from an ambient heat, and removing said position locating means and said PCB securing tapes to separate said PCB securing plate from said PCB sheet after a curing of said adhesive, thereby completing a coupling of said PCB sheet and said good quality circuit pattern sheet (PCB securing plate separating step).

A device for coupling a PCB sheet, comprising:

• a position deciding jig part for receiving a PCB sheet (with a plurality of circuit patterns printed thereon) and a replaced good quality circuit pattern sheet, after a defective circuit pattern sheet is cut away, and after said good quality circuit pattern sheet is placed into a space of said removed defective circuit pattern sheet;
• a PCB securing means attached on said PCB securing plate, for preventing any loose movements of said PCB sheet and said good quality circuit pattern sheet, both of them inserted into said jig part;
• and
• an adhesive means filled into a space between said PCB sheet and said replaced good quality circuit pattern sheet to be cured so as to couple them together.

A method for coupling a PCB sheet, comprising the steps of:

• cutting connecting parts of a defective circuit pattern sheet to remove it from a continuously arranged circuit patterns of a PCB sheet (defective circuit pattern sheet removing step);
• filling a vacant place of said removed defective circuit pattern sheet with a good quality circuit pattern sheet to be placed into a PCB securing jig part together with said PCB sheet, said connecting parts forming a gap respectively so as to be position-decided (PCB sheet position locating step);
• placing said PCB sheet and said good quality circuit pattern sheet into said PCB securing jig part and putting heat resistant tapes on bottoms of said PCB sheet and said good quality circuit pattern sheet to prevent nay loose movements of them, thereby securing said PCB sheet and said good quality circuit pattern sheet on said PCB securing jig part (PCB securing step);
• filling an adhesive (with a volatile component being removed) of an epoxy resin into a space between said PCB sheet and said good quality circuit pattern sheet to cure said adhesive at a temperature of 120-200° C. within a drying furnace (adhesive injecting and curing step);
• and
• putting a cover on said PCB sheet and on said good quality circuit pattern sheet to protect them from an ambient heat, and removing said position locating means and said PCB securing tapes after a curing of said adhesive to separate said PCB securing plate from said PCB sheet after a curing of said adhesive, thereby completing a coupling of said PCB sheet and said good quality circuit pattern sheet together (PCB securing plate separating step).