A curable resin film of the present invention forms a first protective film (1a) by attaching the curable resin film containing an epoxy-based thermosetting component having a weight-average molecular weight of 200 to 4,000 to a surface (5a) of a semiconductor wafer (5) having a plurality of bumps (51) with an average peak height (h1) of 50 to 400 m, an average diameter of 60 to 500 m, and an average pitch of 100 to 800 m, heating the attached curable resin film at 100 C. to 200 C. for 0.5 to 3 hours, and curing the heated curable resin film, and when longitudinal sections thereof are observed by a scanning electron microscope, a ratio (h3/h1) of an average thickness (h3) of the first protective film (1a) at a center position between the bumps (51) to an average peak height (h1) of the bumps (51), and a ratio (h2/h1) of an average thickness (h2) of the first protective film (1a) at a position being in contact with the plurality of bumps (51) to the average peak height (h1) satisfy a relationship represented by the following expression of [{(h2/h1)(h3/h1)}0.1].

Described is an apparatus which comprises: a die with a first side; a plurality of metal bumps on the first side of the die; a plurality of solders disposed on the plurality of metal bumps; and a patterned printable resist disposed next to at least one of the solders of the plurality of solders. Described is a method which comprises: printing a photoresist ink onto a bumped wafer surface; thermally or Ultra-Violet curing the photoresist ink; and printing or electroplating solder(s) onto the bumped wafer surface. Described is a machine readable storage media having one or more instructions that when executed cause a machine to perform an operations according to the method described above.

An electronic device includes a semiconductor die having a first side, an orthogonal second side for mounting to a substrate or circuit board, a conductive terminal on the first side, the conductive terminal having a center that is spaced apart from the second side by a first distance along a direction, and a solder structure extending on the conductive terminal, the solder structure having a center that is spaced apart from the center of the conductive terminal by a non-zero second distance along the direction.

A semiconductor structure includes a first package including a substrate and a die disposed over the substrate and electrically connected to the substrate by a first conductive bump; a second package disposed over the first package and electrically connected to the substrate by a second conductive bump; and an adhesive disposed between the die and the second package.

A semiconductor structure includes a first package including a substrate and a die disposed over the substrate and electrically connected to the substrate by a first conductive bump; a second package disposed over the first package and electrically connected to the substrate by a second conductive bump; and an adhesive disposed between the die and the second package.

An electronic component-mounted body (1) in accordance with an embodiment of the present invention is configured such that an IC chip (20) is fixed, with use of a post (30) having a thermosetting property, to a wiring substrate (10) having an anisotropic linear expansion coefficient.

A printed structure comprises a device comprising device electrical contacts disposed on a common side of the device and a substrate non-native to the device comprising substrate electrical contacts disposed on a surface of the substrate. At least one of the substrate electrical contacts has a rounded shape. The device electrical contacts are in physical and electrical contact with corresponding substrate electrical contacts. The substrate electrical contacts can comprise a polymer core coated with a patterned contact electrical conductor on a surface of the polymer core. A method of making polymer cores comprising patterning a polymer on the substrate and reflowing the patterned polymer to form one or more rounded shapes of the polymer and coating and then patterning the one or more rounded shapes with a conductive material.

An electronic device includes a semiconductor die having a first side, an orthogonal second side for mounting to a substrate or circuit board, a conductive terminal on the first side, the conductive terminal having a center that is spaced apart from the second side by a first distance along a direction, and a solder structure extending on the conductive terminal, the solder structure having a center that is spaced apart from the center of the conductive terminal by a non-zero second distance along the direction.

A device includes a substrate, a metal pad over the substrate, and a passivation layer having a portion over the metal pad. A post-passivation interconnect (PPI) is electrically coupled to the metal pad, wherein the PPI includes a portion over the metal pad and the passivation layer. A polymer layer is over the PPI. A solder ball is over the PPI. A compound includes a portion adjoining the solder ball and the polymer layer, wherein the compound includes flux and a polymer.

A method of manufacturing an electronic component module and the electronic component module manufactured by the manufacturing method includes bumps, each including a thicker portion having a relatively large thickness and a thinner portion having a relatively small thickness and formed on one surface of the substrate. When looking at the electronic component in a mounted state in a plan view, the thicker portion is positioned on a side of a corresponding outer terminal closer to a center of the electronic component and the thinner portion is positioned on the opposite side of the corresponding outer terminal. In the plan view, joining portions joining the outer terminals respectively to the bumps are formed such that a height of each joining portion on the opposite side is lower than a height of the joining portion on the side closer to the center of the electronic component.