PATENT CLAIM ANALYSIS

Application Number: 15920983
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-09
Patent Classification: ["438", "005000"]

Abstract:
Disclosed is a process for manufacturing individual die devices, with a desired or predicted amount of flatness, from a bonded wafer process. The flatness of a bonded wafer is measured at point in the wafer manufacturing process. This measurement is compared to a value predetermined by an empirical analysis of previous devices made by the same process. If the flatness of the bonded wafer is not at the predetermined value, then one or more compensation layers are provided to the bonded wafer to obtain the predetermined flatness value. Once obtained, subsequent processing is performed and the resulting individual dies are obtained with the desired flatness characteristic.

Claim (Index 9):
A method of manufacturing an individual die, having a target die bowing value, from a bonded wafer using a wafer bonding process, the method comprising:\n (a) bonding a first wafer to a second wafer to create an intermediate bonded structure; (b) retrieving, from a database, a target wafer bowing range of values that corresponds to the target die bowing value, wherein the database comprises empirical data collected from previous cycles of the wafer bonding process, correlating a wafer bowing range of values with a die bowing value; (c) measuring an amount of bowing of a first surface of the intermediate bonded structure; (d) comparing the measured bowing amount to the retrieved target wafer bowing range of values; (e) applying a bowing compensation layer of material to a second surface of the intermediate bonded structure if the measured bowing amount is not within the retrieved target bowing range of values; (f) repeating (c)-(e) until the measured bowing amount is within the retrieved target bowing range of values; (g) at least one of adding or removing a layer or adding or removing material to or from the first or second wafers of the intermediate bonded structure to obtain the bonded wafer; and (h) dicing the bonded wafer apart to obtain the individual die having the predetermined die bowing value.

Metadata:
- Claim Count in Document: 45.0
- Percentile: 90.0
- Lexical Diversity: 1.94915
- Patent Class: 438.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['12796798', '15703253', '14694794', '13900157', '14537627']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8491109296946818
- 35 USC 102 Novelty (BERT): 0.4803352969835051
- Combined Prediction Score: 0.8122333664235641
- Mean Citation Score: 179.993832
- Max Citation Score: 185.9948
- Similarity Product: 135.343537129879

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test