摘要:
PROBLEM TO BE SOLVED: To provide a suspension substrate with a circuit, preventing a damage of a cover insulating layer or a conductor patten during insertion into an E block, and also to provide its manufacturing method. SOLUTION: The suspension substrate 1 with a circuit is equipped with: a metal support substrate 6, a base insulating layer 7 formed on the substrate 6; a conductor pattern 8 formed on the layer 7; a cover insulating layer 9 formed on the base insulating layer 7 to cover the conductor pattern 8; and an insertion part 5 inserted into the E block. The thickness T1 of the cover insulating layer 9 in the insertion part 5 is set larger than the thickness T2 of the cover insulating layer 9 in a part other than the insertion part 5. COPYRIGHT: (C)2010,JPO&INPIT
摘要:
A method for forming a conductor pattern comprising the steps of (a) forming a photo-crosslinkable resin layer on a substrate provided with a conductive layer on its surface, (b) treating the photo-crosslinkable resin layer with an alkali aqueous solution to render it thinner, (c) carrying out exposure for a circuit pattern, (d) developing and (e) etching, the steps included in this order, said alkali aqueous solution being an aqueous solution containing 5 to 20 mass% of an inorganic alkaline compound, or method for forming a conductor pattern comprising the steps of (a') forming a photo-crosslinkable resin layer on a substrate provide with a conductive layer on its surface and inside a hole thereof, (i) curing the photo-crosslinkable resin layer on the hole alone or on the hole and a surrounding area thereof, (b') treating the photo-crosslinkable resin layer in an uncured portion with an alkali aqueous solution to render it thinner, (c) carrying out exposure for a circuit pattern, (d) developing and (e) etching, these steps included in this order, said alkali aqueous solution being an aqueous solution containing 5 to 20 mass% of an inorganic alkaline compound.
摘要:
PROBLEM TO BE SOLVED: To provide a printed circuit board having a flow preventing dam for preventing the outflow of an underfill solution using a dry film resist which is used for forming a solder bump, and to provide a manufacturing method therefor. SOLUTION: The printed circuit board includes: a base substrate 102 formed with a solder pad 104; a solder bump 116 formed on the solder pad 104 of the base substrate 102; and a flow preventing dam 110c formed on the peripheral area of the base substrate 102 using a dry film resist. The method is also provided that readily manufactures the flow preventing dam 110c for preventing the outflow of the underfill solution. COPYRIGHT: (C)2010,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a projection exposure apparatus transferring by exposure a circuit pattern of a mask onto an exposure object with high accuracy while preventing production of foreign matter or dust. SOLUTION: The projection exposure apparatus (100) is equipped with: a supply reel rotating unit (61) rotating a supply reel that feeds an exposure object (T); a guide roller (63) guiding the exposure object fed from the supply reel by rotation of the supply reel rotating unit; a first conveyance roller (64) and a second conveyance roller (66) disposed in both sides of an exposure unit so as to convey the exposure object from the guide roller along the exposure unit; and an alignment mark drawing unit (30) disposed between the guide roller and the first conveyance roller and drawing an alignment mark (AM) for aligning to a circuit pattern mask (M) in the exposure object. COPYRIGHT: (C)2009,JPO&INPIT