Arrays of integrated analytical devices and methods for production

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Solution Overview

Problem

Existing analytical systems face challenges in increasing multiplex capabilities while maintaining sensitivity and reducing complexity, cost, and size, particularly in optical analyses and highly sensitive reactions, often leading to inter-reaction cross-talk and decreased signal-to-noise ratios.

Innovation Solution

The integration of a substrate layer, filter module layer, collection module layer, and waveguide module layer, including nanometer-scale apertures and zero-mode waveguides, allows for simplified optical paths by using signal amplitude and non-spectral characteristics for signal discrimination, reducing the need for complex optical systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the multiplex factor of analyses is increased in optical systems, then the overall throughput of the system is improved, but the system complexity and optical path complexity increase

Engineering Contradiction:

ImprovethroughputVSAvoidoptical system complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The system divides the optical detection space into multiple independent detection zones, each with its own optical path. Multiple analyses are performed simultaneously in separate zones rather than using a single complex optical path, thereby increasing throughput without proportionally increasing overall system complexity.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent transitions from increasing multiplex along a single optical path to utilizing multiple spatial dimensions by implementing arrayed reaction chambers with corresponding arrayed detectors. This dimensional expansion allows parallel processing of multiple analyses without requiring a single overly complex optical path.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Productivity

If the multiplex factor is increased by making systems bigger and higher power, then the number of analyses is improved, but inter-reaction cross-talk increases

Engineering Contradiction:

Improvenumber of analysesVSAvoidinter-reaction cross-talk

Core Design Contradiction:

ProductivityVSObject-generated harmful factors

Solution Approach 1:

The system physically segments reaction chambers into discrete, isolated units with individual detection paths. This segmentation prevents optical signals from different reactions from interfering with each other, eliminating cross-talk while maintaining high throughput through parallel processing.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Each reaction chamber is designed with localized optical properties and detection characteristics optimized for its specific analysis. This local optimization ensures that each detection zone operates independently with minimal interference from neighboring zones, reducing cross-talk while maintaining high analysis capacity.

Inventive Principle:

Principle #3Local quality

3Productivity

If the multiplex factor is increased, then the throughput is improved, but the signal to noise ratio decreases

Engineering Contradiction:

ImprovethroughputVSAvoidsignal to noise ratio

Core Design Contradiction:

ProductivityVSMeasurement precision

Solution Approach 1:

By segmenting the detection system into multiple independent optical paths, each path maintains a dedicated signal detection channel free from interference. This segmentation preserves signal-to-noise ratio for each individual analysis while enabling simultaneous processing of multiple analyses through parallel optical paths.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent introduces intermediary optical elements such as dichroic mirrors and bandpass filters in each detection path to selectively transmit specific wavelength ranges. These intermediaries act as mediators that isolate and purify the signal from each reaction, maintaining high signal-to-noise ratios even as the number of simultaneous analyses increases.

Inventive Principle:

Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach enhances multiplexing capabilities, improves signal detection efficiency, and reduces system complexity and cost, while maintaining sensitivity in analytical systems.

Implementation Method 1

a waveguide module layer disposed on the collection module layer; a zero-mode waveguide module layer disposed on the waveguide module layer

Methodology Applied

Scientific EffectWaveguide: Waveguide (optics)

Implementation Method 2

a filter module layer disposed on the substrate layer

Methodology Applied

Scientific EffectOptical filtering: Filter (optical)

Implementation Method 3

the zero-mode waveguide module layer comprises a plurality of nanometer-scale apertures penetrating into the waveguide module layer

Methodology Applied

Scientific EffectZero-mode waveguide: Nanopore

Data Source

PatentUS20250389888A1Arrays of integrated analytical devices and methods for production

Publication Date: 2025.12.25 PACIFIC BIOSCIENCES OF CALIFORNIA INC

AI summary

Arrays of integrated analytical devices and their methods for production are provided. The arrays are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions. The integrated devices allow the highly sensitive discrimination of optical signals using features such as spectra, amplitude, and time resolution, or combinations thereof. The arrays and methods of the invention make use of silicon chip fabrication and manufacturing techniques developed for the electronics industry and highly suited for miniaturization and high throughput.