H01L2224/78753

Method for measuring the heights of wire interconnections

A height of a vertical wire interconnection bonded onto a substrate is measured by first capturing a top view of the vertical wire interconnection and identifying a position of a tip end of the vertical wire interconnection from the top view. A conductive probe is located over the tip end of the vertical wire interconnection, and is lowered towards the vertical wire interconnection until an electrical connection is made between the conductive probe and the tip end of the vertical wire interconnection. A contact height at which the electrical connection is made may thus be determined, wherein the contact height corresponds to the height of the vertical wire interconnection.

WIRE BONDING APPARATUS
20230178510 · 2023-06-08 · ·

A wire bonding apparatus is provided with: a bonding stage on which a semiconductor chip is mounted; a wire bonding unit including a capillary bonding a bonding wire to the semiconductor chip, a Z-axis drive section reciprocating the capillary, and a tool XY-stage causing the capillary and the Z-axis drive section to be moved along a two-dimensional plane intersecting a direction of reciprocation; and a base having an optical system and an optical system XY-stage causing the optical system to be moved along a two-dimensional plane intersecting a direction of reciprocation, the base having the wire bonding unit attached thereto. The wire bonding unit is attached to a first portion of the base, and the optical system XY-stage is attached to a second portion of the base which is separate from the first portion.

MOUNTING APPARATUS
20170291251 · 2017-10-12 · ·

Provided is a bonding apparatus including a bonding stage 83 for heating a substrate (lead frame) 61 placed on the upper surface thereof or a semiconductor die 63 mounted on the substrate (lead frame) 61, an imaging device 20 arranged above the bonding stage 83 to image the substrate 61 placed on the bonding stage 83 or the semiconductor die 63 mounted on the substrate 61, and a standing wave generating device 35 for generating an ultrasonic standing wave in the space between the upper surface of the bonding stage 83 and the imaging device 20. This improves the accuracy of image position detection by the imaging device with a simple structure.

Adaptive Routing for Correcting Die Placement Errors

A method includes, receiving a layout design of at least part of an electronic module, the design specifying at least (i) an electronic device coupled to at least a substrate, and (ii) an electrical trace that is connected to the electronic device and has a designed route. A digital input, which represents at least part of an actual electronic module that was manufactured in accordance with the layout design but without at least a portion of the electrical trace, is received. An error in coupling the electronic device to the substrate, relative to the layout design, is estimated based on the digital input. An actual route that corrects the estimated error, is calculated for at least the portion of the electrical trace. At least the portion of the electrical trace is formed on the substrate of the actual electronic module, along the actual route instead of the designed route.

Adaptive routing for correcting die placement errors

A method includes, receiving a layout design of at least part of an electronic module, the design specifying at least (i) an electronic device coupled to at least a substrate, and (ii) an electrical trace that is connected to the electronic device and has a designed route. A digital input, which represents at least part of an actual electronic module that was manufactured in accordance with the layout design but without at least a portion of the electrical trace, is received. An error in coupling the electronic device to the substrate, relative to the layout design, is estimated based on the digital input. An actual route that corrects the estimated error, is calculated for at least the portion of the electrical trace. At least the portion of the electrical trace is formed on the substrate of the actual electronic module, along the actual route instead of the designed route.

Apparatus and method for linearly moving movable body relative to object
11410866 · 2022-08-09 · ·

The present invention is provided with: a base moving linearly relative to a substrate and having a first and second positions that are spaced apart from each other by a predetermined interval a in the movement direction; a linear scale where a plurality of graduations having a predetermined pitch are provided along the movement direction; encoder heads which respectively are disposed at the first and second positions of the base and detect first and second graduation numbers of the linear scale with respect to the first and second positions, wherein, as the base is moved along the linear scale, the first and second graduation numbers are detected in this order in the respective encoder heads, and the movement amount of the base is controlled on the basis of the ratio between the predetermined interval and the distance between the first graduation number and the second graduation number on the scale.

Device and method for positioning first object in relation to second object
11139193 · 2021-10-05 · ·

This mounting device (100) comprises: a base (10) that moves linearly in relation to a substrate (16); a bonding head (20) that is attached to the base (10); a camera (25) that is attached to the base (10) and identifies the position of the substrate (16); a linear scale (33) having a plurality of graduations along the movement direction; a bonding head-side encoder head (31); and a camera-side encoder head (32). A control unit (50) causes the base (10) to move to a position where the bonding head-side encoder head (31) detects the position of a graduation. Due to this configuration, positioning accuracy of a semiconductor die (15) in relation to the substrate (16) is improved.

DEVICE AND METHOD FOR LINEARLY MOVING MOVABLE BODY RELATIVE TO OBJECT
20200411352 · 2020-12-31 · ·

The present invention is provided with: a base moving linearly relative to a substrate and having a first and second positions that are spaced apart from each other by a predetermined interval a in the movement direction; a linear scale where a plurality of graduations having a predetermined pitch are provided along the movement direction; encoder heads which respectively are disposed at the first and second positions of the base and detect first and second graduation numbers of the linear scale with respect to the first and second positions, wherein, as the base is moved along the linear scale, the first and second graduation numbers are detected in this order in the respective encoder heads, and the movement amount of the base is controlled on the basis of the ratio between the predetermined interval and the distance between the first graduation number and the second graduation number on the scale.

METHOD FOR MEASURING THE HEIGHTS OF WIRE INTERCONNECTIONS

A height of a vertical wire interconnection bonded onto a substrate is measured by first capturing a top view of the vertical wire interconnection and identifying a position of a tip end of the vertical wire interconnection from the top view. A conductive probe is located over the tip end of the vertical wire interconnection, and is lowered towards the vertical wire interconnection until an electrical connection is made between the conductive probe and the tip end of the vertical wire interconnection. A contact height at which the electrical connection is made may thus be determined, wherein the contact height corresponds to the height of the vertical wire interconnection.

Systems and methods of operating wire bonding machines including clamping systems

A method of operating an ultrasonic bonding machine is provided. The method includes the steps of: (a) imaging at least one of (i) a semiconductor element supported by a substrate, and (ii) a clamping structure adapted for securing the substrate during a bonding operation; and (b) determining if a relative position of the semiconductor element and the clamping structure is acceptable using predetermined criteria and information from step (a).