摘要:
A system in-package test inspection apparatus for measuring and evaluating the high-speed/high frequency characteristic of a system in-package through an electrode pad in which I/O terminals are formed on one side of an LSI package containing metallic wiring internally and plural LSI chips are stacked in multiple layers on the other face while electric connection between the LSI chip and the LSI package and the electric connection between the LSI chips are implemented, the system in-package test inspection apparatus comprising: a printed wiring substrate to which the I/O terminals of the system in-package are connected to enable transmission of high speed and high frequency signals; LSI chip driving means for driving the LSI chip; a contact probe having a contact electrode and for transmitting a high frequency signal; evaluation signal generating means for supplying a high frequency evaluation signal to the contact probe; output signal detecting means for detecting an output signal of the system in-package through the printed wiring board; and analyzing means for analyzing a signal detected by the output signal detecting means, wherein by contacting the contact electrode of the contact probe with an electrode pad formed on the LSI chip, the evaluation signal is inputted to the LSI chip not through metallic wiring within the LSI package.
摘要:
A system in-package test inspection apparatus for measuring and evaluating the high-speed/high frequency characteristic of a system in-package through an electrode pad in which I/O terminals are formed on one side of an LSI package containing metallic wiring internally and plural LSI chips are stacked in multiple layers on the other face while electric connection between the LSI chip and the LSI package and the electric connection between the LSI chips are implemented, the system in-package test inspection apparatus comprising: a printed wiring substrate to which the I/O terminals of the system in-package are connected to enable transmission of high speed and high frequency signals; LSI chip driving means for driving the LSI chip; a contact probe having a contact electrode and for transmitting a high frequency signal; evaluation signal generating means for supplying a high frequency evaluation signal to the contact probe; output signal detecting means for detecting an output signal of the system in-package through the printed wiring board; and analyzing means for analyzing a signal detected by the output signal detecting means, wherein by contacting the contact electrode of the contact probe with an electrode pad formed on the LSI chip, the evaluation signal is inputted to the LSI chip not through metallic wiring within the LSI package.
摘要:
There is provided a contact probe that is smaller than 50 μm in a pitch between a signal electrode and a ground electrode and can correctly conduct a high-speed high-frequency measurement, a measuring pad used for the contact probe, and a method of manufacturing the contact probe. The contact probe includes: a tip member having a signal electrode 10a and a ground electrode 11a that are put into contact with an object to be measured; and a coaxial cable 1 having a core 1b electrically connected to the signal electrode 10a and an outer covering conductor la electrically connected to the ground electrode 11a, wherein the tip member is formed on a printed wiring board 2, and wherein the signal electrode 10a and the ground electrode 11a are constructed of fine coplanar strip lines formed on an insulating board 2a.
摘要:
There is provided a contact probe that is smaller than 50 μm in a pitch between a signal electrode and a ground electrode and can correctly conduct a high-speed high-frequency measurement, a measuring pad used for the contact probe, and a method of manufacturing the contact probe. The contact probe includes: a tip member having a signal electrode 10a and a ground electrode 11a that are put into contact with an object to be measured; and a coaxial cable 1 having a core 1b electrically connected to the signal electrode 10a and an outer covering conductor la electrically connected to the ground electrode 11a, wherein the tip member is formed on a printed wiring board 2, and wherein the signal electrode 10a and the ground electrode 11a are constructed of fine coplanar strip lines formed on an insulating board 2a.
摘要:
There is provided a contact probe that is smaller than 50 μm in a pitch between a signal electrode and a ground electrode and can correctly conduct a high-speed high-frequency measurement, a measuring pad used for the contact probe, and a method of manufacturing the contact probe. The contact probe includes: a tip member having a signal electrode 10a and a ground electrode 11a that are put into contact with an object to be measured; and a coaxial cable 1 having a core 1b electrically connected to the signal electrode 10a and an outer covering conductor 1a electrically connected to the ground electrode 1a, wherein the tip member is formed on a printed wiring board 2, and wherein the signal electrode 10a and the ground electrode 11a are constructed of fine coplanar strip lines formed on an insulating board 2a.
摘要:
An interposer having multi-layer fine wiring structure which comprises an insulating layer made of photosensitive polyimide which is photosensitive organic material and a wiring layer portion made of metal, such as copper, silver, gold, aluminum, palladium, indium, titanium, tantalum, and niobium, functions as wiring in an integrated circuit chip, wherein junctions between the integrated circuit chip and the interposer are formed by micron to submicron size fine connection metal pads or bumps which are formed on both the integrated circuit chip and the interposer.
摘要:
An interposer having multi-layer fine wiring structure which comprises an insulating layer made of photosensitive polyimide which is photosensitive organic material and a wiring layer portion made of metal, such as copper, silver, gold, aluminum, palladium, indium, titanium, tantalum, and niobium, functions as wiring in an integrated circuit chip, wherein junctions between the integrated circuit chip and the interposer are formed by micron to submicron size fine connection metal pads or bumps which are formed on both the integrated circuit chip and the interposer.
摘要:
There is provided a contact probe that is smaller than 50 μm in a pitch between a signal electrode and a ground electrode and can correctly conduct a high-speed high-frequency measurement, a measuring pad used for the contact probe, and a method of manufacturing the contact probe. The contact probe includes: a tip member having a signal electrode 10a and a ground electrode 11a that are put into contact with an object to be measured; and a coaxial cable 1 having a core 1b electrically connected to the signal electrode 10a and an outer covering conductor 1a electrically connected to the ground electrode 1a, wherein the tip member is formed on a printed wiring board 2, and wherein the signal electrode 10a and the ground electrode 11a are constructed of fine coplanar strip lines formed on an insulating board 2a.
摘要:
A method of making a contact probe including a step of making a first printed wiring board having a signal electrode and a ground electrode used as a contact part of the contact probe with respect to a measuring object, in which the signal electrode and ground electrode are formed of a metal wiring pattern, and making a second printed wiring board with a coaxial line structure having a shield electrode which encloses a signal line and the surroundings of the signal line through an insulating layer. The signal electrode of the first printed wiring board and the signal line of the second printed wiring board are electrically connected together, and the ground electrode of the first printed wiring board and the shield electrode of the second printed wiring board are electrically connected together.
摘要:
[Problem]To provide a contact probe which can easily be connected with a measurement apparatus electrically, can measure a high speed and high frequency signal with a fine pitch easily and correctly, and can easily cope with signal measurement for a plurality of channels, and a method of making the contact probe. [Means to Solve Problem] It includes a first printed wiring board 3 having a signal electrode 10a and a ground electrode 10b used as a contact part with respect to a measuring object, in which the signal electrode 10a and ground electrode 10b are formed of a metal wiring pattern on a substrate, and a second printed wiring board 2 with a coaxial line structure having shield electrodes 12, 17, 18 which enclose a signal line 15a and the surroundings of the signal line 15a through an insulating layer. The signal electrode 10a of the first printed wiring board 3 and the signal line 15a of the second printed wiring board 2 are electrically connected together, and the ground electrode 10b of the first printed wiring board 3 and the shield electrodes 12, 17, 18 of the second printed wiring board 2 are electrically connected together.