摘要:
A method for manufacturing a coreless packaging substrate is disclosed. The method can produce a coreless packaging substrate which comprises: at least a built-up structure having a first solder mask and a second solder mask, wherein a plurality of openings are formed in the first and second solder mask to expose the conductive pads of the built-up structure; and a plurality of solder bumps as well as solder layers formed on the conductive pads. Therefore, the invention can produce the coreless packaging substrate with high density of circuit layout, less manufacturing steps, and small size.
摘要:
A method for manufacturing a coreless packaging substrate is disclosed. The method can produce a coreless packaging substrate which comprises: at least a built-up structure having a first solder mask and a second solder mask, wherein a plurality of openings are formed in the first and second solder mask to expose the conductive pads of the built-up structure; and a plurality of solder bumps as well as solder layers formed on the conductive pads. Therefore, the invention can produce the coreless packaging substrate with high density of circuit layout, less manufacturing steps, and small size.
摘要:
The package substrate of the present invention comprises a carrying board, bump pads, wire bonding pads, a solder mask, metallic bumps, and a metallic protective layer. The solder pads and the wire bonding pads are disposed on the surface of the carrying board. The solder mask is patterned to expose bump pads, wire bonding pads, and part of the surface of the substrate on the periphery of the wire bonding pads. The metallic bumps are disposed on the surface of the bump pads and extend to the surface of the solder mask. The metallic protective layer is disposed on the surfaces of the metallic bumps and the wire bonding pads. Besides, a method for manufacturing this package substrate, a semiconductor package structure comprising this package substrate, and a manufacturing method thereof are disclosed. Therefore, the manufacturing process of the package substrate is simple, and the package substrate is slim.
摘要:
A flip chip substrate structure and a method to fabricate thereof are disclosed. The structure comprises a build up structure, a first solder mask and a second solder mask. Plural first and second electrical contact pads are formed on the first and second surface of the build up structure, respectively. A first solder mask having plural openings is formed on the first surface of the build up structure, and the openings expose the first electrical contact pads, wherein the aperture of the openings of the first solder mask are equal to the outer diameter of the first electrical contact pads. A second solder mask having plural openings is formed on the second surface of the build up structure, and the openings expose the second electrical contact pads, wherein the aperture of the openings of the second solder mask are smaller than the outer diameter of the second electrical contact pads.
摘要:
A method of manufacturing a coreless packaging substrate is disclosed. The method can produce a coreless packaging substrate which comprises: at least a built-up structure having a first solder mask and a second solder mask, wherein a plurality of openings are formed in the first and second solder mask to expose the conductive pads of the built-up structure; and a plurality of solder bumps as well as solder layers formed on the conductive pads. Therefore, the invention can produce the coreless packaging substrate with high density of circuit layout, less manufacturing steps, and small size.
摘要:
The present invention relates to a method to fabricate a flip chip substrate structure, which comprises: providing a carrier; forming a patterned resist layer on the surface of the carrier; forming sequentially a first metal layer, an etching-stop layer, and a second metal layer; removing the resist layer, forming a patterned first solder mask, and then forming at least one first circuit build up structure thereon; forming additionally a patterned second solder mask on the circuit build up structure; respectively removing the carrier, the first metal layer, and the etching-stop layer; and forming solder bumps on both sides of the circuit build up structure. The method increases integration and achieves the purpose of miniaturization. The method solves the problem of circuit layer multiplicity and process complexity.
摘要:
A method of manufacturing a coreless package substrate together with a conductive structure of the substrate is disclosed. The method can produce a coreless package substrate which comprises: at least a built-up structure having a first solder mask and a second solder mask, wherein a plurality of openings are formed in the first and second solder mask to expose the conductive pads of the built-up structure; and a plurality of solder bumps as well as solder layers formed on the conductive pads. Therefore, the invention can produce the coreless package substrate with high density of circuit layout, less manufacturing steps, and small size.
摘要:
A method of manufacturing a coreless packaging substrate is disclosed. The method can produce a coreless packaging substrate which comprises: at least a built-up structure having a first solder mask and a second solder mask, wherein a plurality of openings are formed in the first and second solder mask to expose the conductive pads of the built-up structure; and a plurality of solder bumps as well as solder layers formed on the conductive pads. Therefore, the invention can produce the coreless packaging substrate with high density of circuit layout, less manufacturing steps, and small size.
摘要:
The present invention relates to a method to fabricate a flip chip substrate structure, which comprises: providing a carrier; forming a patterned resist layer on the surface of the carrier; forming sequentially a first metal layer, an etching-stop layer, and a second metal layer; removing the resist layer, forming a patterned first solder mask, and then forming at least one first circuit build up structure thereon; forming additionally a patterned second solder mask on the circuit build up structure; respectively removing the carrier, the first metal layer, and the etching-stop layer; and forming solder bumps on both sides of the circuit build up structure. The method increases integration and achieves the purpose of miniaturization. The method solves the problem of circuit layer multiplicity and process complexity.
摘要:
A method of manufacturing a coreless package substrate together with a conductive structure of the substrate is disclosed. The method can produce a coreless package substrate which comprises: at least a built-up structure having a first solder mask and a second solder mask, wherein a plurality of openings are formed in the first and second solder mask to expose the conductive pads of the built-up structure; and a plurality of solder bumps as well as solder layers formed on the conductive pads. Therefore, the invention can produce the coreless package substrate with high density of circuit layout, less manufacturing steps, and small size.